Tautology is a short jazz tune by Lee Konitz recorded on September 27, 1949 with the Lee Konitz Quintet. It appears on the album Sax of a Kind released by Quadromania and was originally issued in 1949 as the B side of the shellac single Sound-Lee / Tautology. The piece sits in the cool jazz realm with a swing feel, in F major and 4/4 time. The personnel on the session are Lee Konitz on alto sax, Warne Marsh on tenor sax, Sal Mosca on piano, Arnold Fishkind on bass, and Jeff Morton on drums. The performance runs about a minute, featuring a two chorus solo by Konitz and crisp interplay within a tight quintet.