Dean Martin Gaffney (born 14 February 1978) is an English actor, best known for his role as Robbie Jackson on the BBC soap opera EastEnders from 1993 to 2004 and 2017 to 2019; he also made guest appearances in 2004, 2010 and 2015.

In 2003, executive producer Louise Berridge made the decision to axe Gaffney along with the actress Bindya Solanki, who played his on-screen girlfriend Nita Mistry.

In a press report, Berridge commented, "We do feel that the characters have reached the end of their natural course in the show, and they will both be leaving in spring 2003".

[4] Gaffney made a further appearance in the soap, returning for a brief visit in 2004 for the wedding of his on-screen half-sister Sonia Jackson (portrayed by Natalie Cassidy).

[9] In 1991, Gaffney played the Boy (alternating with another actor) in Samuel Beckett's Waiting for Godot in the West End, alongside Rik Mayall and Adrian Edmondson.

[19] In January 2013, Gaffney suffered serious head injuries when a car he was travelling in collided with the central reservation on the A38 in Derby.

[23][24] In 2022, Gaffney broke his collarbone after being hit by a Lamborghini driven by Wesley Fofana whilst on a night out in London.