Chester Conn (born 1896, date of death unknown), sometimes spelled Chester Cohn, was an American composer of popular music.
Conn's best-known song is the jazz standard "Sunday", which he wrote with Jule Styne, Ned Miller, and Benny Krueger. His other songs include "Anything I Do", "Because You Lied", "Blue Waltz (La Valse Bleue)", "Forgive My Heart", "Go Home", "I Don't Think You Love Me Anymore", "It's None of My Affair", "Just Like Before", "Make Her Mine", "My Suppressed Desire", "Night Lights", "Oh Well", and "Outside of Heaven".
The performers who have recorded Conn's songs include Nat King Cole, John Coltrane, Eddie Fisher, Coleman Hawkins, Milt Jackson, Carmen McRae, Gerry Mulligan, Buddy Rich, Frank Sinatra, Clark Terry, and Ben Webster, Lester Young.