List of Famous people with last name Welsh

Matthew James Welsh, OAM is an Australian swimmer who is the former world champion in the backstroke and butterfly. He took two golds in 50-metre butterfly and 50-metre backstroke, during one hour, at the World Championships in Shanghai 2006. Welsh retired from professional swimming in March 2008 when he failed to secure a place in the team for the Beijing Olympics.

Stephen Welsh is a Scottish professional footballer who plays for Scottish Premiership club Celtic, as a defender.

Irvine Welsh is a Scottish novelist, playwright and short story writer. His 1993 novel Trainspotting was made into a film of the same name. His work is characterised by a raw Scots dialect and brutal depiction of Edinburgh life. He has also written plays and screenplays, and directed several short films.

Kenneth Welsh, is a Canadian film and television actor. He is known as the multi-faceted villain, Windom Earle, in Twin Peaks and played the father of Katharine Hepburn as portrayed by Cate Blanchett in Martin Scorsese's The Aviator. He lives outside of Toronto.

Louise Welsh is an English-born author of short stories and psychological thrillers, resident in Glasgow, Scotland. She has also written three plays, an opera, edited volumes of prose and poetry, and contributed to journals and anthologies. In 2004, she received the Corine Literature Prize.