Thomas Henry Delaney (September 14, 1889 – December 16, 1963) was an American blues and jazz songwriter, pianist and singer, who wrote a number of popular songs, mainly in the 1920s. His work was recorded by many of the more fashionable singers and musicians of the period and later times, including Lillyn Brown, Lucille Hegamin, Original Dixieland Jass Band, Ethel Waters, Earl Hines, Count Basie, Bix Beiderbecke, Big Joe Williams, Clara Smith, Alberta Hunter, Clarence Williams, James P. Johnson, Woody Herman, Bukka White, Toots Thielemans, and Dinah Washington.

Delaney was known primarily as a songwriter for other performers, but he also recorded a small number of his own songs.