Jon Culshaw is a British comedian and impressionist born in Ormskirk in England. He is famous for his work on BBC Radio 4 and BBC2's Dead Ringers and ITV's 2DTV and his contributions to BBC Radio 1. In early 2004 his own programme, The Impressionable Jon Culshaw was commissioned for ITV1. His most famous impressions are British Prime Minister Tony Blair, Russell Crowe and Tom Baker (who played the 4th Doctor Who)

He rose to fame in 1998 by impersonating William Hague while working for Capital Radio, and succeeding in contacting Number 10 Downing Street. He was put through to Tony Blair, and had a lengthy conversation with him.