Day by Night was a Doris Day album released on November 11, 1957 by Columbia Records, It was released in two versions, catalog number CL-1053 (Mono) and CS-8089 (Stereo), though the stereo version was only released in 1959. It was a follow-up to her extremely successful album, Day by Day, released the previous year.
The album was combined with Day's 1956 album, Day by Day, on a compact disc, issued on November 14, 2000 by Collectables Records.