A clarinetist (sometimes also spelled clarinettist) is a musician who plays the clarinet. Some clarinetists also play other woodwind instruments, particularly commonly the saxophone, and may therefore also be saxophonists and multireedists.

Here is a list of famous clarinetists, grouped according to the musical idiom with which they are particularly associated:

1) Classical:

• Heinrich Baermann Weber's clarinetist
• Jack Brymer
• Michael Collins
• Larry Combs
• Thea King
• Henry Lazarus (1815-1895), leading virtuoso of Victorian era
• Karl Leister
• Sabine Meyer
• Richard Mühlfeld Brahms' clarinetist
• Charles Neidich
• Gervase de Peyer
• David Shifrin
• William O. Smith (aka Bill Smith) who played jazz and classical music
• Richard Stoltzman
• Anton Stadler for whom Mozart wrote his Clarinet Concerto (K. 622) and Clarinet Quintet (K. 581)
• Frederick Thurston

2) Jazz (especially traditional, Dixieland, and Swing styles) and folk:

(See List of jazz clarinetists for a more extensive list)

• Woody Allen
• Sidney Bechet
• Acker Bilk
• Barney Bigard
• Don Byron
• Raymond Burke
• Evan Christopher
• Elysia Clapin , (Benny Goodman's great granddaughter)
• Eddie Daniels
• Johnny Dodds
• John Doyle
• Eric Dolphy
• Irving Fazola
• Pete Fountain
• Benny Goodman who also gave some remarkable classical music performances
• Edmond Hall
• Jean-Christian Michel
• Marcus Miller - primarily known for playing the bass guitar but also an accomplished clarinetist
• Jimmy Noone
• Ivo Papasov
• Pee Wee Russell
• Artie Shaw
• Larry Shields
• Omer Simeon
• William O. Smith (aka Bill Smith) who played jazz and classical music