Patrick de Lacy Aherne (6 January 1901 – 30 September 1970) was an English film actor.

Pat Aherne was a silent screen leading man, who was reduced to playing minor supporting roles after the transition to sound (due to hearing loss).

His most notable on-screen appearances after 1930, were in Green Dolphin Street, Rocketship X-M and The Court Jester.

He was a champion boxer and was in the first boxing film ever made.

Pat was also a motorcycle trick rider and friend of Harley and Davidson.