
4 in Love is a former Taiwanese all-female pop group. In 2000, BMG recruited four girls between the ages of 16 and 19, and named them 4 in Love.

Alisha's Attic were an English pop duo of the 1990s and early 2000s. The two members were sisters Shelly McErlaine and Karen Poole, born in Barking and Chadwell Heath respectively. Their father is Brian Poole of 1960s group Brian Poole and the Tremeloes.

Alma Kaminiito (アルマカミニイト) was a J-pop and Latin pop music duo based in Japan. It consisted of Eric Fukusaki of Peru and Munehiko Ohno from Japan. The pair released two singles in 2012: its debut "Akane" and the double A-side "Amatsubu Pearl"/"Dakishimetai Dakishimetai". Alma Kamininito released the cover album Alma Covers at the end of the year, which featured Japanese-language songs sung in Spanish and English. It marked the unit's final release following the departure of Ohno in April 2013.

Aly & AJ, known briefly as 78violet, are an American pop duo that consists of sisters Alyson and Amanda Michalka. They signed a recording contract with Hollywood Records in 2004. Their debut album, Into the Rush, debuted at number 36 on the US Billboard 200, and was later certified gold by the Recording Industry Association of America (RIAA). It has sold 839,000 copies domestically and one million copies worldwide. Their second album, Insomniatic, peaked at number 15 on the Billboard 200, selling over 39,000 copies in its first week and becoming Aly & AJ's highest debut to date.

Amiaya is a Japanese music duo of twin sisters. Born on November 8, 1988, Ami Suzuki (鈴木亜美) is the younger sister and Aya Suzuki (鈴木亜耶) is the older sister.

Anthony McPartlin & Declan Donnelly are an English TV presenting duo, consisting of comedians, TV presenters and singers Anthony McPartlin and Declan Donnelly, from Newcastle upon Tyne, England. Formed after their meeting as child actors on CBBC's drama Byker Grove, they performed together as pop musicians PJ & Duncan, the names of their characters from the series.

Antony & Cleopatra is a London-based musical duo consisting of Alexander Burnett and Anita Blay, also known as CocknBullKid. They met in 2014 at a pop music writing session, discovered a harmonious creative blending, and joined forces.

As One (Korean: 애즈원) was a South Korean R&B girl group consisting of Korean-American singers Lee Min and Crystal. The group debuted in 1999 with the album Day by Day, and released five more albums before announcing their hiatus from the music industry in 2017 with the single, "Goodbye for Now".

Baccara is a female vocal duo formed in 1977 by Spanish artists Mayte Mateos and María Mendiola. The pair rapidly achieved international success with their debut single "Yes Sir, I Can Boogie", which reached number one across much of Europe and became the best-selling single of all-time by a female group, eventually selling more than 18 million copies worldwide. A successful follow-up single and European tour led to a number of album releases, numerous television appearances and the duo's selection to represent Luxembourg in the Eurovision Song Contest 1978.

By2 is a Singaporean duo based in Taiwan. The duo is composed of twin sisters Miko Bai and Yumi Bai.

The Cheeky Girls are a Romanian singing duo consisting of identical twin sisters Gabriela and Monica Irimia. After appearing as auditionees on Popstars: The Rivals, they achieved success in the UK charts with four top 10 hits between 2002 and 2004. They are best known for their debut single, "Cheeky Song ", which has sold more than 1.2 million units internationally. The Cheeky Girls released their debut studio album, PartyTime, in 2003 which reached number 14 in the UK Albums Chart.

Climie Fisher were a UK pop duo formed by vocalist Simon Climie and former Naked Eyes keyboardist Rob Fisher. In 1987–88, they had two international hit singles: "Rise to the Occasion" and "Love Changes (Everything)".

Dears is a Taiwanese duo formed in 2014 by Alfa Music. The duo consists of Dewi Chien and Dabe Chen. They released their first EP, Dears on August 16, 2014. On January 22, 2016, Dears released their second EP, Say Yes.

December was a South Korean duo formed by CS Happy Entertainment in 2009. They debuted on October 27, 2009 with Dear My Lover.

Dollar were a pop vocal duo from the United Kingdom, consisting of David Van Day and Canadian-born Thereza Bazar. The duo were successful in the late 1970s and 1980s, achieving ten UK top-40 singles, including the top-10 hits "Love's Gotta Hold on Me" (1979), "I Wanna Hold Your Hand" (1979), "Mirror Mirror" (1981), "Give Me Back My Heart" (1982) and "O L'amour" (1987).
Double was a Swiss music duo best known for their hit single "The Captain of Her Heart".

E'voke were a British female vocal duo from the mid-1990s, who had several club and chart hits in the UK and are best known for their 1996 single "Arms of Loren". The two members – Marlaine Gordon and Kerry Potter – both went to the Sylvia Young Theatre School and upon graduating went on to star in the BBC sitcom, Us Girls. Gordon also went on to appear in EastEnders between 1994 and 1995 playing the part of Lydia.

FEMM are a Japanese electronic dance music duo, composed of RiRi and LuLa. The group signed with the Avex Group Holdings Inc. sub-record label Maximum10 and their distributing label Avex Music Creative Inc.; they signed a deal with London label JPU Records for European distributions. After a series of buzz singles between 2013 and 2014, FEMM released their debut studio album Femm-Isation in October 2014 as a digital release. FEMM's major debut and first physical release, Pow!/L.C.S., was released in February 2016.

Fever High is a Brooklyn-based duo composed of singer/instrumentalists Anna Nordeen and Reni Lane. The original formation of Fever High was composed of Nordeen and model/actress Leah Cary. Their five-track debut EP, All Work, was re-released in 2016 by Sire Records after being released independently in 2015. The band also included producer Adam Schlesinger. The group independently released their debut full-length FHNY on November 10, 2017. Pop culture blog The Nerdist called their debut single, "Tantalized", "ideal dance music for the summer." In 2020, former member Adam Schlesinger died of complications related to COVID-19.

Flora Cash is a Swedish-American bedroom pop duo consisting of Shpresa Lleshaj and Cole Randall.

Geowulf are an Australian dream pop duo formed in Sunshine Coast, Queensland in 2016. Their debut studio album, Great Big Blue, was released in 2018, and their second album, My Resignation, was released on October 25, 2019.

Go West are an English pop duo, formed in 1982 by lead vocalist Peter Cox and rhythm guitarist and backing vocalist Richard Drummie. At the 1986 Brit Awards, they received the Brit Award for British Breakthrough Act. The duo enjoyed popularity between the mid 1980s and the early 1990s and are best known for the international top 10 hits "We Close Our Eyes", "Call Me", "Faithful", and "King of Wishful Thinking"; the latter was featured in the 1990 film Pretty Woman.

J Rabbit (제이레빗) is a South Korean acoustic pop female duo under the label friendz.net. They debuted on November 27, 2010 with the single "Take One". The group's name is derived from combining the letter ‘J’ from their matching surname ‘Jung’ and the year of the rabbit, 1987, which they were both born in.

Johnny Hates Jazz is a British band, currently consisting of Clark Datchler and Mike Nocito. In April 1987, they achieved international success with their first hit single "Shattered Dreams."

Karmin was an American pop duo consisting of Amy Renee Noonan and Nick Noonan. Starting as a novelty act that released covers on YouTube, they signed in 2011 with Epic Records. In May 2012, Karmin released their debut EP Hello, which spawned the singles Brokenhearted and Hello and received mixed reviews. Rolling Stone named Karmin's lead singer Amy as the winner of "Women Who Rock" 2012 contests. In March 2014, the duo released their debut album, Pulses. The album's lead single, Acapella, charted in the top 10 in Australia and New Zealand, and went Gold in the United States. They left Epic Records in the middle of 2014 and have since released music independently. Their second album Leo Rising was released on September 9, 2016.

Kylie and Garibay are a musical duo composed of Australian singer-songwriter Kylie Minogue and American record producer Fernando Garibay. The duo are based in Los Angeles, California, U.S., where Garibay's home studio is located. They released their debut extended play (EP), entitled Sleepwalker, on September 24, 2014. The EP was accompanied by a short film directed by English fashion designer William Baker, and was presented at Minogue's fourteenth concert tour, the Kiss Me Once Tour. Sleepwalker was followed by the duo's self-titled EP, which was released the next year on September 11, 2015. Kylie and Garibay featured collaborations with Jamaican musician Shaggy, Australian singer Sam Sparro, and Italian record producer Giorgio Moroder.

London Boys were a German-based British dance-pop duo composed of Edem Ephraim and Dennis Fuller. They are best remembered for the UK Top 5 hits Requiem and London Nights.

Loote is an American pop duo based in New York City consisting of Jackson Foote and Emma Lov Block. They released their debut single "High Without Your Love" in May 2017 through Island Records.

Memoryhouse is a Canadian dream pop music group formed in 2009 in Guelph, Ontario. The band is signed to Sub Pop. Memoryhouse consists of Evan Abeele (composer) and Denise Nouvion (vocalist). Their sound has been described as similar to that of Beach House.

Modern Talking was a German duo consisting of singer Thomas Anders and arranger, songwriter and producer Dieter Bohlen, with the participation of Luis Rodríguez in the production. They have been referred to as Germany's most successful pop duo, and have had a number of hit singles, reaching the top five in many countries. Some of their most popular and widely known singles are "You're My Heart, You're My Soul", "You Can Win If You Want", "Cheri, Cheri Lady", "Brother Louie", "Atlantis Is Calling " and "Geronimo's Cadillac".

Esther & Abi Ofarim were an Israeli musical duo active during the 1960s, consisting of the husband-and-wife team Abi Ofarim and Esther Ofarim. They enjoyed particular success in Germany. They had hits in Europe with their songs "One More Dance," "Morning of My Life," and "Cinderella Rockefella."

Oh Pep! are an Australian band formed in Melbourne, Australia by Olivia Hally and Pepita Emmerichs. Their debut album, Stadium Cake, was released on 24 June 2016.

Pepsi & Shirlie are an English pop duo group formed in London in 1985. who released two albums, All Right Now in 1987 and Change in 1991. Their debut single "Heartache" reached No. 2 in the UK Singles Chart.

Pet Shop Boys are an English synth-pop duo, formed in London in 1981 and consisting of Neil Tennant and Chris Lowe.

Peter and Gordon were a British pop duo, composed of Peter Asher and Gordon Waller (1945–2009), who achieved international fame in 1964 with their first single, the million-selling single "A World Without Love". The duo had several subsequent hits in America in the British Invasion era.

Power Station is a Taiwanese rock duo, composed of Yu Chiu-hsin and Yen Chih-lin, both of the Paiwan tribe of Taiwan's Pingtung County. Their music is characterized by their energetic rock ballads, as well as their electrifying rock anthems. Their looks and long hair stand out from the mainstream Taiwan pop scene because of their resemblance to western heavy metal musicians. In 2001, Power Station released their first album on the Grand Music label, Walking Along Zhongxiao East Road Nine Times. The title track of that album won the Silver Award for Best Mandarin Song at the 24th RTHK Top Ten Golden Song Awards.

Right Said Fred are a London-based English band formed by brothers Fred and Richard Fairbrass in 1989. Their achievements include number 1 hits in 70 countries including one US number 1, one UK number 1, and a number 1 in Japan. They were the first band to reach the number one slot in the US with a debut single since The Beatles. They have performed for Queen Elizabeth of the United Kingdom, Nelson Mandela and at the Filmfare Awards and subsequently released a track for Comic Relief.

Roxette were a Swedish pop rock duo, consisting of Marie Fredriksson and Per Gessle. Formed in 1986, the duo became an international act in the late 1980s, when they released their breakthrough second album Look Sharp! Their third album Joyride, which was released in 1991, became just as successful as its predecessor. Roxette went on to achieve nineteen UK Top 40 hits and several US Hot 100 hits, including four US number-ones with "The Look", "Listen to Your Heart", "It Must Have Been Love", featured on the soundtrack of Pretty Woman, and "Joyride". Their other hits include "Dressed for Success", "Dangerous", and "Fading Like a Flower".

Savage Garden was an Australian pop duo consisting of Darren Hayes on vocals and Daniel Jones on instruments. Formed in Logan City, Queensland, in 1994, the duo achieved international success in the late 1990s and early 2000s with the No. 1 hit singles "I Want You", "To the Moon and Back", "Truly Madly Deeply", "The Animal Song" and "I Knew I Loved You".

SaxAndViolin is a Canadian instrumental pop duo consisting of husband-and-wife Eli Bennett and Rosemary Siemens. The duo has performed private events and concerts around the world including events for Rolls Royce, Microsoft, Lamborghini, Dell, and a private event at the Vatican. Their debut album Can't Help Falling In Love, Vol. 1 released on Valentine's Day, 2020, debuted as the #3 Pop Album in Canada on the Canadian iTunes charts.

Sean + Conor Price are an Irish pop, musical duo formed in Blessington, County Wicklow, Ireland. The group is composed of the brothers Sean Price and Conor Price. Prior to performing on the X-Factor, they were buskers on Dublin's Grafton Street.

Shakespears Sister are an alternative pop and rock musical duo based in the United Kingdom that was formed in 1988 by singer–songwriter Siobhan Fahey, a former member of Bananarama. Shakespears Sister was initially a solo act, but by 1989 it had become a duo with the addition of the American musician Marcella Detroit. Together they released two top 10 albums and a string of top 40 hits, including the 1992 hit "Stay" which peaked at No. 1 in the UK Singles Chart for eight consecutive weeks. Detroit was sacked from the band in 1993, leaving Fahey as the sole member again until she ended the project in 1996. After working under her own name for some years, Fahey revived the Shakespears Sister name in 2009. In 2019, Fahey and Detroit reunited as Shakespears Sister for a tour and released a single, "All the Queen's Horses".

Silver Apples were an American electronic rock group from New York, active between 1967 and 1970, before reforming in the mid-1990s. It was composed of Simeon, who performed on a primitive synthesizer of his own devising; and, until his death in 2005, drummer Danny Taylor. The duo were among the first to employ electronic music techniques outside of academia, applying them to 1960s rock and pop styles.
Swing Out Sister are an English pop group best known worldwide for the 1986 song "Breakout". Other hits include "Surrender", "Twilight World", "Waiting Game", and a remake of the Eugene Record soul composition "Am I the Same Girl?"

Sonohra is an Italian duo constituted by the brothers Diego and Luca Fainello, native to the city of Verona. They were winners of the edition 2008 of the Young section of Festival of Sanremo.

Tat Ming Pair (達明一派) are an experimental Cantopop duo formed in Hong Kong in 1985 by composer Tats Lau (劉以達) and vocalist Anthony Wong Yiu-ming (黃耀明). Their blend of Cantopop, synthpop, new wave and electronic dance music with lyrics which reflected contemporary social, political, and literary themes, made them one of the first alternative and most influential bands of the 1980s Hong Kong music scene. The band enjoyed critical and commercial success until a hiatus in 1990. After their breakup, Wong proceeded as a solo artist while Lau went into acting although the duo have reunited several times over the years.

Telepathe are an electronic pop duo from Brooklyn consisting of core members Busy Gangnes and Melissa Livaudais. The band also includes other occasional musicians, such as Ryan Lucero.

Timeflies is an American pop-rap duo formed in October 2010 consisting of Cal Shapiro and Rob Resnick. They are known for their popular original music and popular YouTube covers. They first performed together as 'The Ride' in collaboration with writer Matt Merritt while in college at Tufts University.

Twinn Connexion was the singing duo of identical twin brothers Jerry and Jay Hopkins. They were signed with Decca Records and released a self-titled album in 1968 with songs by Jerry Keller and David Blume. Their musical style consisted of pop harmonies influenced by the soft rock and folk rock styles that were popular during the late 1960s. Jay Hopkins died on September 6, 2001.

Twins are a Hong Kong Cantopop duo that was created in the summer of 2001 by Emperor Entertainment Group (EEG). Twins are made up of two girls, Charlene Choi (蔡卓妍) and Gillian Chung (鍾欣潼). They are a popular group in Hong Kong and a top band in mainland China. Their fanbase have included Taiwan, Japan, Singapore, Thailand, Malaysia, Canada, Australia, United States, Vietnam and Philippines. Their music was generally targeted at young teens, but in 2004 they began to attract a wider audience by venturing into different styles of music. In February 2008 the duo temporarily separated after the Edison Chen photo scandal involving Gillian Chung. After two years the group finally reunited in 2010.

The Veronicas are an Australian pop duo from Brisbane. The group was formed in 2004 by identical twin sisters Lisa and Jessica Origliasso.

Wham! were an English pop music duo consisting of George Michael and Andrew Ridgeley, formed in Bushey in 1981. They became one of the most commercially successful pop acts of the 1980s, selling more than 30 million certified records worldwide from 1982 to 1986. Influenced by funk and soul music and presenting themselves as disaffected youth, Wham!'s 1983 debut album Fantastic addressed the United Kingdom's unemployment problem and teen angst over adulthood. Their second studio album Make It Big in 1984 was a worldwide pop smash hit, charting at number one in both the UK and the United States. Associated with the MTV-driven Second British Invasion of the US, the singles from the album—"Wake Me Up Before You Go-Go", "Everything She Wants" and "Careless Whisper"—all topped the US Billboard Hot 100. In 1985, Wham! made a highly publicised 10-day visit to China, the first by a Western pop group. The event was seen as a major watershed moment in increasing friendly bilateral relations between China and the West.

Yu·Quan is a Chinese soft rock duet. They were founded in June 1998 as a duo between Chen Yufan (陈羽凡) and Hu Haiquan (胡海泉). They are from Beijing and Shenyang, Liaoning respectively. Both members were born in 1975. They were signed with Taiwanese music distributor Rock Records in 1999. Since then the duo has published a total of nine albums, with over seven million records sold. The duo is very well received in mainland China.