Richard Brennan

• Richard Brennan (barrister), Irish lawyer and officer in the Irish Defence Forces
• Dick Brennan (journalist), American journalist
• Rich Brennan, American ice hockey player
• Richard Brennan (filmmaker), producer of The Love Letters from Teralba Road
• Richard Brennan (restaurateur), New Orleans restaurateur, operated the Commander's Palace
• Dick Brennan (hurler), Irish hurler