Zak Dingle is a fictional character from the British soap opera Emmerdale, played by Steve Halliwell. He first appeared on 20 October 1994. Halliwell initially joined the show as part of the Dingle family and was only initially supposed to appear for a few episodes, but has become a key part of the soap since his introduction. He has been nominated for several awards for his portrayal of Zak. Some of Zak's storylines have included his wife Nellie divorcing him in 1997, marrying Lisa Clegg in 1998, having a daughter, Belle in 1998, the death of his son, Butch in 2000, Lisa being raped in 2011, assaulting his son Cain and leaving him temporarily paralysed in 2011, suffering a mental breakdown in 2012, trying to control his rebellious daughter and dealing with the death of Lisa. Halliwell died on 15 December 2023.

Stephen Harold Halliwell was an English actor, best known for portraying the role of Zak Dingle in the ITV soap opera Emmerdale, which he played from 1994 until his death in 2023.