Aaron Doyle-Heffernan (born 23 February 1990) is an Irish actor known for his roles in Love/Hate, Brassic, Obsession: Dark Desires and War of the Worlds.

Heffernan grew up in Dublin, Ireland. His father, David, is a radio producer and his mother Tina is a model. He is of Dominican descent through his mother. Heffernan has two older brothers: Simon, a personal trainer and online coach, and Jesse, a hip hop artist. His first cousin is model Thalia Heffernan. He studied drama and classics at Trinity College Dublin. In 2012, he co-founded the Collapsing Horse Theatre Company with fellow student and actor Jack Gleeson.