Mama's Affair is a 1921 American silent romantic comedy film directed by Victor Fleming and based on the play of the same title by Rachel Barton Butler. Cast members Effie Shannon, George Le Guere and Katharine Kaelred reprise their roles from the Broadway play.

Kenneth Daniel Harlan was a popular American actor during the silent film era, playing mostly romantic leads or adventurer roles. His career extended into the sound film era, but during that span he rarely commanded leading-man roles, and became mostly a supporting or character actor.