Papa Lightfoot, also known as Papa George Lightfoot (March 2, 1924 – November 28, 1971), born Alexander Lightfoot, was an American blues singer and harmonica player.

Born in Natchez, Mississippi, Lightfoot recorded several sessions in his late twenties – for Peacock Recordsin 1949 (which were never issued), Sultan Records in 1950, Aladdin Records in 1952, and Imperial Records in 1954. After final singles for Savoy Records in 1955 and Excello Records in 1956, Lightfoot quit recording, still an obscure Southern blues harmonica player.