This is an alphabetized list of notable accordionists who have their own main articles or belong to a notable band.
- Benny Andersson (born 1946) – Swedish songwriter, member of best-selling pop group ABBA
- Lydie Auvray (born 1956) – French/German accordionist, composer
- Slavko Avsenik (1929–2015) – Slovenian songwriter, the founder of Ansambel bratov Avsenik
- Ramon Ayala (born 1945) – Mexican accordionist, composer
- Nick Ariondo (born 1949) – American accordionist, composer
- Johnny Sansone (born 1957)
- William Schimmel (born 1946) – accordionist, composer and philosopher
- John Serry Sr. (1915-2003) – classical and concert accordionist, free-bass accordionist
- Alexander Sevastian (1976–2018) – Russian-Canadian classical, concert, and classical crossover accordionist
- Jimmy Shand (1908–2000) – Scottish accordionist, made famous by his unique Scottish Country Dance Band and popularity for dances.
- Sharon Shannon (born 1968) – Irish accordionist
- Sivuca (1930–2006) – Brazilian musician
- Chango Spasiuk (born 1968) – Argentine folk musician of Ukrainian descent
- John Spiers (born 1975) – English melodeon player
- Will Starr (1922–1976) – Scottish accordionist, technically a genius and a true master of the button key accordion, famous for his expertise at playing every genre of music. Described as the true "Master of the Button Key Accordion"