
Emil Adamič was among the most productive Slovenian composers. He wrote choral and orchestral music, altogether over 1,000 works.

Jakob Aljaž was a Slovene Roman Catholic priest, composer and mountaineer.

Milan Apih (1906–1992) was a Slovenian-Yugoslav teacher, political activist and writer.
Slavko Avsenik Jr. is a Slovenian composer and pianist. He is also the author of numerous children's songs. He is the son of the Slavko Avsenik.

Slavko Avsenik was a Slovene composer and musician. Beginning in 1953 with the formation of the Avsenik Brothers Ensemble, Avsenik produced more than 1,000 songs and enjoyed success both in Slovenia and in other parts of Europe and America, and is viewed as a Slovenian cultural icon.

Matija Barl was a Slovenian actor, producer and translator. In 1962 he founded and organized the first, oldest and most important Slovenian music festival called Slovenska popevka.

Dušan Bavdek is a Slovenian composer.

Julij Betetto was a Slovenian bass singer and composer. He was the first dean of the Ljubljana Academy of Music.

Janez Bole was a Slovenian composer.

Janez Bončina, nicknamed Benč is a Slovenian composer, guitarist and singer. He is one of the leading authors and performers of Slovenian and Yugoslavian rock music. In the middle of the 1960s, Bončina with his friend Tomaž Domicelj from the group Helioni, showed his talent for music. Later with the group Mladi levi he founded the projects, which started the Slovenian pop rock scene.

Lojze Bratuž, Italianized name Luigi Bertossi, was a Slovene choirmaster and composer from Gorizia who was killed by Italian Fascist squads. He is regarded as a martyr of the anti-Fascist struggle of the Slovene population in the Slovene Littoral region during Italian rule.

Milan Dekleva is a Slovene poet, writer, playwright, composer and journalist.

Jacobus Gallus was a late-Renaissance composer of presumed Slovene ethnicity. Born in Carniola, which at the time was one of the Habsburg lands in the Holy Roman Empire, he lived and worked in Moravia and Bohemia during the last decade of his life.

Alojz Geržinič is a Slovenian composer. Many of his compositions are for voice. A native of Ljubljana, he lived and worked in Buenos Aires, Argentina from 1948 until his death in 2008.
Rok Golob is a Slovenian composer, producer, conductor and multi-instrumentalist.

Alojz Ipavec, also written as Lojze Ipavic, was a Slovenian composer. In his professional life, he was a physician; as a composer, he is remembered primarily for a handful of small salon pieces.

Gustav Ipavec was a Slovenian composer. A native of Šentjur, he lived in that town for much of his life. He was a physician in his professional life; as a composer he wrote mainly small choral pieces for amateur performers. His son was the composer and physician Josip Ipavec; his brother, Benjamin Ipavec, was also a composer and physician.

Josip Ipavec was a Slovenian composer. A native of Šentjur, he lived in that town for much of his life. He was a physician in his professional life, at first in the Austria-Hungarian army and later for the most part in Šentjur. As a composer, he wrote mainly theatre music and lieder. In 1901, he wrote the first and the most often performed Slovene ballet, the pantomime A Little Man ("Možiček").

Davorin Jenko was a Slovene composer. He is sometimes considered the father of Slovenian national Romantic music. Among other songs, he composed the melody for the Serbian national anthem "Bože pravde", the former Slovenian national anthem "Naprej, zastava Slave", and the popular Serbian and Montenegrin song "Onamo, 'namo!".

Božidar Kantušer was a Slovene composer of classical music. He was a Slovenian citizen and an American citizen.

Marij Julij Kogoj was a Slovenian composer. He was a pupil of Schoenberg and Franz Schreker, and immensely popular during the 1920s, culminating with his opera Črne maske. His career ended in 1932, when he was institutionalized for schizophrenia. He remained there until his death in 1956.

Uroš Krek was a Slovenian composer, considered one of the most renowned personalities of Slovenian music after the Second World War. A native of Ljubljana, he died in Jesenice. He worked for many years for Radiotelevizija Slovenija, and composed a number of soundtracks. Krek was a pupil of Lucijan Marija Škerjanc.

Anton Lajovic was a Slovenian composer. He was noted for his Lieder and was influenced by the late-romantic French school.

Marijan Lipovšek was a Slovenian composer, pianist, and teacher.
Janez Matičič is a Slovenian composer and pianist. He also taught music for a number of years. Since 2007 he has been a regular member of the Slovenian Academy of Sciences and Arts.
Vita Mavrič is a Slovene chansonnier.
Pavle Merkù was an Italian-Slovene composer, ethnomusicologist, Slovene specialist, and etymologist.

Zorko Prelovec was a Slovene composer, well known for his choral works and Lieder. He was also active as a choral conductor, leading the Ljubljana Mercury choir from 1900. It has been said that he was a musical poet and that his compositions for choirs are filled with a soft, tender sentimentality.

Stanko Premrl was a Slovene Roman Catholic priest, composer, and music teacher. He is best known as the composer of the music for the Slovene national anthem, "Zdravljica".

Janko Ravnik was a Slovenian pianist, teacher, film director and composer.
Nina Šenk is a classical Slovenian composer. In 2004, while still studying at the University of Ljubljana, she won first prize at the Young Euro Classic Festival in Berlin for her Violin Concerto No. 1. Her works have been performed at many music festivals and with various orchestras and ensembles around the world.

Lojze Slak was a Slovenian musician. Slak was one of the pioneers of Slovene popular folk music, based on diatonic button accordion and author of several evergreen songs, performed by his Lojzeta Slaka Ansamble.

Adi Smolar is a Slovenian singer-songwriter and composer.

Franc Treiber was a Slovene Roman Catholic priest, poet, and composer.

Josipina Urbančič, who published under the pen name Josipina Turnograjska, was one of the first Slovene female writers, poets, and composers.

Demetrij Žebre was a Slovenian composer. His work was part of the music event in the art competition at the 1936 Summer Olympics.