"I'm Sitting on Top of the World" is a popular song with music written by Ray Henderson and lyrics by Sam M. Lewis and Joe Young.

This composition is not to be confused with, "Sitting on Top of the World" written by Walter Vinson and notably performed by Taj Mahal and Corey Harris.

Al Jolson's recording was made on December 21, 1925.

[2] Jolson sang it in the 1928 part-talkie film The Singing Fool and in his biographical movie The Jolson Story in 1946, where it was lip-synced by actor Larry Parks.

[3] Popular recordings in 1926 were by Jolson, Roger Wolfe Kahn and His Hotel Biltmore Orchestra, and by Frank Crumit.