
John Roy Anderson, known professionally as Jon Anderson, is an English-American singer and songwriter best known as the former lead singer of the progressive rock band Yes, which he formed in 1968 with bassist Chris Squire. He was a member of the band across three tenures until 2008. Anderson was also a member of Yes Featuring Jon Anderson, Trevor Rabin, Rick Wakeman.

Christopher Paul Colfer is an American actor, singer, and author. He gained international recognition for his portrayal of Kurt Hummel on the television musical Glee (2009–2015). Colfer's portrayal of Kurt received critical praise for which he has been the recipient of several awards, including Best Supporting Actor in a Series, Miniseries or Television Film at the 2011 Golden Globe Awards, and three consecutive People's Choice Awards for Favorite Comedic TV Actor in 2013, 2014, and 2015. In April 2011, Colfer was named one of the Time 100, Time's list of the 100 most influential people in the world.

Edson Cordeiro is a Brazilian sopranist countertenor and pop and jazz singer.

David D'Or is an Israeli singer, composer, and songwriter. A countertenor with a vocal range of more than four octaves, he is a three-time winner of the Israeli "Singer of the Year" and "Best Vocal Performer" awards. He was also chosen to represent Israel in the 2004 Eurovision Song Contest, at which he placed 11th in the semi-final. By February 2008, nine of his albums had gone platinum.

Bradley Edward Delp was an American singer and songwriter, widely known as the lead vocalist of the rock bands Boston and RTZ.

Howard Dwaine Dorough is an American singer, songwriter, and actor. He is a member and co-founder of the vocal group the Backstreet Boys.

Mitchell Coby Michael Grassi is an American singer, songwriter, arranger, and musician from Arlington, Texas, who came to international attention as the founder and performer of two groups; the quintet a cappella collective Pentatonix, and the duo Superfruit with Scott Hoying. As of May 2019, Pentatonix has released ten albums, including two number ones, have had four songs in the Billboard Hot 100, and won three Grammy awards as "the first a cappella group to achieve mainstream success in the modern market". As of February 2019, Superfruit's YouTube channel has over 2.5 million subscribers and has accumulated over 392 million views. He is a tenor known for “his incredibly high and versatile vocal range”. As of 2016, Grassi lives in Hollywood, California.

Anthony Green is an American singer and musician from Doylestown, Pennsylvania. He is currently the lead singer of Circa Survive, Saosin, and The Sound of Animals Fighting while also maintaining a solo career. He was previously in the bands Audience of One, Jeer at Rome, High and Driving, and Zolof the Rock and Roll Destroyer. Green is known for his distinctive, high vocal timbre.

David Hurley is a British countertenor who sang with The King's Singers from 1990 to 2016.

Elnur Hüseynov is an Azerbaijani singer. He was Azerbaijan's representative to perform "Day After Day" at the Eurovision Song Contest 2008 alongside Samir Javadzadeh as duo Elnur and Samir. In 2015, he won the fourth season of The Voice of Turkey and represented Azerbaijan in the 60th Eurovision Song Contest with the song "Hour of the Wolf".

Martyn Jacques is a British musician, singer and songwriter mostly known as the founder and front man of cult British trio The Tiger Lillies.

Jón Þór "Jónsi" Birgisson is an Icelandic musician; he is the vocalist and multi-instrumentalist for the Icelandic post-rock band Sigur Rós. He is known for his use of a cello bow on guitar and his falsetto or countertenor voice. He is blind in his right eye from birth as a result of a broken optic nerve from the brain. Apart from Sigur Rós, Jónsi also performs together with his partner Alex Somers as an art collaboration called Jónsi & Alex. They released their self-titled first book in November 2006, which was an embossed hardcover limited to 1,000 copies. The two also released the album Riceboy Sleeps, in July 2009. They announced their separation in 2019, after having been together for 16 years.

Richard J. Jose was an American countertenor.

Christopher Alan Kirkpatrick is an American singer, dancer and actor, who is known for his work as a founding member of the pop group NSYNC, in which he sang countertenor. He has provided voices for numerous kids shows, including the voice of Chip Skylark on The Fairly OddParents. He also guest starred on The Simpsons as himself, along with his fellow NSYNC bandmates, in the episode "New Kids on the Blecch".

Matthew Bair, known professionally by his stage name Matthew Koma, is an American singer, songwriter, DJ and record producer. Matthew Koma wrote numerous hit songs, including Zedd's "Spectrum" and Grammy Award-winner "Clarity", also with Zedd.
Geddy Lee Weinrib, known professionally as Geddy Lee, is a Canadian musician, singer, and songwriter. He is best known as the lead vocalist, bassist, and keyboardist for the Canadian rock group Rush. Lee joined what would become Rush in September 1968, at the request of his childhood friend Alex Lifeson, replacing original bassist and frontman Jeff Jones. Lee's solo effort, My Favourite Headache, was released in 2000.

Charles Scott Leonard IV is an American singer and a member of the cappella group Rockapella, the former house band on the PBS children's geography game show Where in the World Is Carmen Sandiego?

Adam Noah Levine is an American singer-songwriter, record producer, and the lead singer of the pop rock band Maroon 5. Levine began his musical career in 1994 with the band Kara's Flowers, of which he was the lead vocalist and guitarist. The band split up in 1997 after the commercial failure of their only album, The Fourth World. In 2001, the group was reformed as Maroon 5 – with James Valentine replacing Levine as guitarist- and released their first album, Songs About Jane, which went multi-platinum in the US. Since then, they have released five more albums: It Won't Be Soon Before Long (2007), Hands All Over (2010), Overexposed (2012), V (2014), and Red Pill Blues (2017). As part of Maroon 5, Levine has received three Grammy Awards, three American Music Awards, an MTV Video Music Award, and a World Music Award.

Lloyd Harlin Polite Jr., better known by his mononym Lloyd, is an American singer, songwriter, rapper, dancer, and actor. Lloyd began his career in music as a member of the preteen-boy band N-Toon. The group disbanded in 2001 and Lloyd embarked on a solo career in 2003. He subsequently signed a recording contract with Murder Inc. Records and Def Jam Recordings. In 2004, Lloyd released his solo debut single "Southside", the title track of his debut album, Southside. The single features Ashanti, and it quickly charted on the US Billboard Hot 100, and became a Top 40 hit. His second album Street Love, was released on March 13, 2007. It featured the top-twenty hits "You" and "Get It Shawty".

Russell Craig Mael is an American singer, songwriter and record producer best known as the lead singer and occasional songwriter for the band Sparks which he formed in 1971 with his elder brother, keyboardist and main songwriter Ron Mael. Mael is known for his wide vocal range. He is also known for his flamboyant and hyperactive stage presence which contrasts sharply with Ron Mael's deadpan scowling. The band also released an album with British rock band Franz Ferdinand, as the supergroup FFS, titled FFS, released in 2015. The Mael brothers are the founders of Lil' Beethoven Records.

Ney de Souza Pereira, known as Ney Matogrosso, is a Brazilian singer who is distinguished for his uncommon countertenor voice. He was ranked by Rolling Stone as the third greatest Brazilian singer of all time.

Curtis Lee Mayfield was an American singer-songwriter, guitarist, and record producer, and one of the most influential musicians behind soul and politically conscious African-American music. He first achieved success and recognition with The Impressions during the civil rights movement of the late 1950s and 1960s, and later worked as a solo artist.

Tim Mead is an English countertenor.

Mike Milosh, known professionally as Milosh, is a Canadian electronic musician from Toronto, Ontario, who is currently based in Los Angeles, California.

John Jacob Niles was an American composer, singer and collector of traditional ballads. Called the "Dean of American Balladeers," Niles was an important influence on the American folk music revival of the 1950s and 1960s, with Odetta, Joan Baez, Burl Ives, Peter, Paul and Mary and Bob Dylan, among others, recording his songs.

Klaus Sperber, known professionally as Klaus Nomi, was a German countertenor noted for his wide vocal range and an unusual, otherworldly stage persona.

Nicholas Joseph Pitera is an American vocal artist who gained his popularity by the release of his YouTube videos, several of which have gone viral, and many others are remarkably popular. As of 11 May 2009, Pitera also works as a 3D Modeler at Pixar Studios. Pitera is also a cast member for The Walt Disney Company.

Robert Anthony Plant is an English singer, songwriter and musician, best known as the lead singer and lyricist of the rock band Led Zeppelin.

Prince Rogers Nelson was an American singer-songwriter, musician, record producer, dancer, and actor. He is widely regarded as one of the greatest musicians of his generation. A multi-instrumentalist who was considered a guitar virtuoso, he was well known for his eclectic work across multiple genres, flamboyant and androgynous persona, and wide vocal range which included a far-reaching falsetto and high-pitched screams.

Claudio Paul Sanchez III is an American writer and musician of Puerto Rican and Italian descent best known for being the lead singer, guitarist and primary lyricist for the alternative/progressive rock group Coheed and Cambria. He is the creator of the comic book series The Amory Wars, as well as Key of Z and Kill Audio, both co-written with wife Chondra Echert. Sanchez co-authored the novel Year of the Black Rainbow with Peter David.
Gerard Hugh "Leo" Sayer is an English-Australian singer-songwriter musician and entertainer whose singing career has spanned four decades. He is now an Australian citizen and resident.

Jason F. Sellards, better known as Jake Shears, is an American singer and songwriter. He is best known as the male lead singer of American pop/rock band Scissor Sisters.

James William Somerville is a Scottish pop singer and songwriter. He sang in the 1980s with the pop groups Bronski Beat and The Communards, and has also had a solo career. He is known in particular for his powerful and soulful countertenor/falsetto singing voice. He is gay; many of his songs, such as "Smalltown Boy", contain political commentary on gay-related issues.

Roger Meddows Taylor is an English musician, singer, songwriter, and multi-instrumentalist, best known as the drummer for the rock band Queen. As a drummer, Taylor was recognised early in his career for his unique sound. He was voted by radio listeners as the eighth-greatest drummer in classic rock music history in a poll conducted by Planet Rock in 2005.

Hayden Norman Thorpe is an English singer, songwriter and multi-instrumentalist, originally from Kendal, Cumbria and currently based in Walthamstow, London.

Herbert Butros Khaury, also known as Herbert Buckingham Khaury and known professionally as Tiny Tim, was an American singer, ukulele player, musical archivist, and former politician. He is best remembered for his cover hits "Tiptoe Through the Tulips" and "Livin' in the Sunlight, Lovin' in the Moonlight", which he sang in a high falsetto voice.

Mihai Trăistariu, also known as simply Mihai, is a Romanian singer and songwriter. He is best known for representing Romania at the Eurovision Song Contest 2006 held in Athens, Greece, where he placed 4th with his song, "Tornerò". The track gained commercial success, selling over one million units worldwide and influencing the trajectory of Trăistariu's career.

Ralph Edward Tresvant is an American singer, songwriter, actor and record producer, best known as the lead singer of R&B group New Edition. As a solo artist, Tresvant released the album Ralph Tresvant (1990). In 2008, he began touring with Bobby Brown and Johnny Gill in a new group named Heads of State.

Justin DeYarmond Edison Vernon is an American singer, songwriter, producer and multi-instrumentalist. He is best known as the primary songwriter and frontman of indie folk band Bon Iver. Known for his distinct falsetto voice, he is also a member of the bands Volcano Choir, Big Red Machine, The Shouting Matches, and Gayngs. He was previously a member of the now-defunct band DeYarmond Edison.

Vitaly Vladasovich Grachev, known professionally as Vitas, is a Russian language singer and actor. He is known for his unique falsetto which he displays when performing his "turkey call" in "The 7th Element" and his trademark falsetto choruses. His eclectic musical style incorporates elements of techno, dance, classical, jazz, and folk music. His song "Opera #2" and the music video for "The 7th Element" became popular on various social networks, accounting for much of his worldwide recognition.

Andrew Watts is a British classical countertenor.

Thomas Edward Yorke is an English musician and the main vocalist and songwriter of the rock band Radiohead. A multi-instrumentalist, he mainly plays guitar and keyboards, and is known for his falsetto.