Steve McDonald is a fictional character from the British ITV soap opera Coronation Street, played by Simon Gregson. The character first appeared on-screen during the episode airing on 6 December 1989. He arrived as part of the McDonald family introduced by producer Mervyn Watson along with his twin brother Andy and parents Liz and Jim McDonald. For the first year on the Street, the character was credited by the actor's real surname Gregory, before changing to Gregson from early 1991 onwards. Steve is Coronation Street's most married character, having been married seven times to five women. In September 2015, Gregson announced a break due to personal reasons and Steve was off-screen from November 2015 to 22 April 2016.

Jim McDonald is a fictional character from the British soap opera Coronation Street, played by Charles Lawson. He made his first appearance during the episode broadcast on 27 October 1989. He appeared as a regular character from 1989 to 2000, and has made brief comebacks between 2003 and 2018.