This list brings together 35 singers whose names start with the letter O, running from “Olivia Newton-John” to “Ozzie Nelson.” The names span decades and genres, from classic pop, soul, and blues to reggaeton, Afrobeats, and K-pop. You’ll find them useful for exploring artists you may not know yet, settling a music trivia debate, or simply browsing a well-organized roundup of talent that shares a first initial.
Singers are performers who use their voice as their main instrument, often building entire careers around a distinctive sound or style. Some, like Otis Redding, became legends of soul music whose influence still shapes artists today, while others, like Ozzy Osbourne, redefined what a genre could sound like. Across this list, you’ll see just how many different paths a singing career can take.
Below you’ll find the table with Singer and Description.
Singer: the artist’s stage name or the name they perform under, listed so you can quickly scan or search for someone specific.
Description: a short summary of who the singer is, their genre, and what they’re best known for, so you can get useful context at a glance.
Singers
| Singer |
|---|
| Olivia Newton-John |
| Olivia Rodrigo |
| Ozzy Osbourne |
| Otis Redding |
| Ozuna |
| Omarion |
| Olly Murs |
| Oleta Adams |
| Odetta |
| Omar Apollo |
| Orville Peck |
| Oumou Sangaré |
| Ornella Vanoni |
| Orietta Berti |
| Ol’ Dirty Bastard |
| OMI |
| Otep |
| Odette |
| Omah Lay |
| Oxlade |
| Omar Souleyman |
| Onew |
| Otis Rush |
| O.T. Genasis |
| Owl City |
| Olamide |
| Omawumi |
| Obongjayar |
| Odeal |
| Olga Tañón |
| Obie Bermúdez |
| Olu Maintain |
| Olga Peretyatko |
| Oritsefemi |
| Ozzie Nelson |
Descriptions
Olivia Newton-John
British-Australian singer and actress best known for the 1970s hits “Physical” and “Have You Never Been Mellow,” and for starring in the film Grease.
Olivia Rodrigo
American pop-rock singer-songwriter who broke through in 2021 with “drivers license” and the album Sour, known for confessional, emotionally raw lyrics.
Ozzy Osbourne
English heavy metal vocalist, frontman of Black Sabbath and later a solo star, nicknamed the “Prince of Darkness” of rock music.
Otis Redding
American soul singer known for his powerful voice and hits like “(Sittin’ On) The Dock of the Bay,” released posthumously after his 1967 death.
Ozuna
Puerto Rican reggaeton and Latin trap singer, one of the genre’s top-selling artists worldwide with hits like “Taki Taki.”
Omarion
American R&B singer, dancer, and actor who first found fame as the lead singer of the group B2K before going solo.
Olly Murs
English pop singer and television presenter who rose to fame as runner-up on The X Factor in 2009.
Oleta Adams
American R&B and gospel singer known for her soulful voice, notably featured on Tears for Fears’ “Woman in Chains.”
Odetta
American folk and blues singer known as “The Voice of the Civil Rights Movement” for her powerful contralto and protest songs.
Omar Apollo
Mexican-American singer-songwriter blending R&B, soul, and Latin influences, celebrated for his falsetto and genre-blending sound.
Orville Peck
Canadian country singer known for his fringed masks and rich baritone voice, blending traditional country with a modern queer aesthetic.
Oumou Sangaré
Malian singer and songwriter, one of Africa’s best-known vocalists, celebrated for blending Wassoulou folk traditions with modern arrangements.
Ornella Vanoni
Italian singer and actress with a decades-long career, considered one of Italy’s most beloved interpreters of popular song.
Orietta Berti
Italian pop singer popular since the 1960s, known for melodic ballads and a long-running career in Italian music.
Ol’ Dirty Bastard
American rapper and singer, a founding member of Wu-Tang Clan known for his unpredictable, off-kilter vocal style.
OMI
Jamaican singer best known for the global hit “Cheerleader,” a reggae-pop song that topped charts worldwide in 2015.
Otep
American singer and poet, frontwoman of the metal band Otep, known for her intense, politically charged vocal delivery.
Odette
Australian singer-songwriter known for atmospheric, poetic pop music and her album To a Stranger.
Omah Lay
Nigerian Afrobeats singer known for melancholic, melodic songs like “Bad Influence” and “Godly.”
Oxlade
Nigerian singer blending Afrobeats with R&B and soul, known for the breakout hit “Ku Lo Sa.”
Omar Souleyman
Syrian singer known for his energetic dabke music and distinctive sunglasses-and-keffiyeh stage look.
Onew
South Korean singer, leader and main vocalist of the K-pop group SHINee, known for his warm tone and ballad performances.
Otis Rush
American blues singer and guitarist, a key figure in the Chicago blues sound known for his emotive, high-pitched vocals.
O.T. Genasis
American rapper and singer known for the viral hit “CoCo.”
Owl City
Stage name of American singer Adam Young, known for the electropop hit “Fireflies.”
Olamide
Nigerian rapper and singer, one of the most influential voices in modern Nigerian hip-hop and Afrobeats.
Omawumi
Nigerian singer known for her powerful voice and hits blending Afrobeats, soul, and highlife.
Obongjayar
Nigerian-British singer known for his raspy, distinctive voice and genre-blending Afro-fusion sound.
Odeal
British R&B and Afrobeats singer known for smooth, soulful vocals and songs like “Bad.”
Olga Tañón
Puerto Rican singer known as the “Queen of Merengue,” celebrated for her powerful voice and decades of Latin hits.
Obie Bermúdez
Puerto Rican singer-songwriter known for romantic Latin pop ballads in the early 2000s.
Olu Maintain
Nigerian singer best known for the hit “Yahooze,” a defining Afrobeats-era anthem.
Olga Peretyatko
Russian operatic soprano celebrated internationally for her performances in bel canto opera roles.
Oritsefemi
Nigerian singer known for high-energy Afrobeats hits like “Money.”
Ozzie Nelson
American bandleader and singer, also known for the classic sitcom The Adventures of Ozzie and Harriet.