"Is You Is or Is You Ain't My Baby" is a 1944 Louis Jordan song, released as the B-side of a single with "G.I. Jive". "Is You Is or Is You Ain't My Baby" reached No. 1 on the US folk/country charts. The Louis Jordan recording also peaked at number two for three weeks on the pop chart and peaked at number three on the R&B charts. This was Jordan's second and last country chart No. 1, and the last No. 1 country chart topper for an African American artist until Charley Pride scored his first No.1, All I Have to Offer You (Is Me) on August 9, 1969.