My Girlfriend's Boyfriend may refer to:
My Girlfriend's Boyfriend (1987 film), or Boyfriends and Girlfriends, a French romantic comedy-drama My Girlfriend's Boyfriend (1998 film), an American screwball comedy My Girlfriend's Boyfriend (2010 film), an American romantic comedy Mike Birbiglia: My Girlfriend's Boyfriend, a 2013 film recording of a 2011 one-man show by Mike Birbiglia