3 in Jazz is an album released on the RCA label which features tracks from three separate sessions by vibraphonist Gary Burton's Quartet, Sonny Rollins & Co. and the Clark Terry Quintet recorded in 1963.

Gary Burton Quartet (tracks 1, 2, 7 & 8)
Gary Burton — vibraphone
Jack Sheldon — trumpet
Monty Budwig — bass
Vernel Fournier — drums

Sonny Rollins & Co. (tracks 3, 4 & 9)
Sonny Rollins — tenor saxophone
Don Cherry — cornet
Henry Grimes — bass
Billy Higgins — drums

Clark Terry Quintet (tracks 5, 6, 10 & 11)
Clark Terry — trumpet, flugelhorn
Hank Jones — piano
Milt Hinton — bass
Osie Johnson — drums
Kenny Burrell — guitar
Willie Rodriguez — bongos, conga (added on tracks 5 & 11)