My Girlfriend's Boyfriend
My Girlfriend's Boyfriend may refer to:
- My Girlfriend's Boyfriend (1987 film), English title of French comedy L'Ami de mon amie, directed by Éric Rohmer
- My Girlfriend's Boyfriend (1998 film), American screwball comedy, directed by Kenneth Schapiro
- My Girlfriend's Boyfriend (2010 film), American romantic comedy, directed by Daryn Tufts
- My Girlfriend's Boyfriend, 2011 stand-up comedy special by Mike Birbiglia