- Sin Mina -- Sina Hübner
- Sina Lenz -- Sinatra Royale
- Sinatras -- Sincerely Paul
- Sincerely Yours -- Sindicato Argentino... Hip Hop
- Sindicato del Crimen -- Sinead Campbell
- Sinead Hoben -- Sinfonia Australis
- Sinfonia Chorus -- Sing It Loud
- Sing J Roy -- Singer J Verse
- Singer/Marge/Homer/Principal Skinner/Edna Krabappel/Chief Wiggum/Ned Flanders/Sea Captain -- Singie Shante
- Singie Singie -- Singing Sandra
- Singing Sergeants -- Singleton
- Singleton -- Sinikithemba Choir
- Sinikka Langeland Ensemble -- Sinisa Lukic