Lyndon Slewidge (born 1954 in Sault Ste. Marie, Ontario) is a retired Ontario Provincial Police officer who also sings anthems for the Ottawa Senators hockey club. He has been the club's official anthem singer since 1994, and is familiar with at least 13 national anthems. Slewidge typically sings the bilingual version of O Canada containing both English and French words and ends an anthem with a salute, a wink and a thumbs up sign (or, in the playoffs, with waving a towel).
Slewidge spent his childhood in Sault Ste. Marie where at age 9 he won a Kiwanis Music Festival for his singing talent. His career in police work began there in 1975. Prior to moving to the Ottawa area, he lived in Sault Ste. Marie, Ontario where he first sang national anthems for the Sault Ste. Marie Greyhounds. He has last been stationed in Smiths Falls at the OPP's Eastern Region Headquarters. He has received the Service Medal of the Order of St John with 1 Bar.
In 1992, astronaut Roberta Bondar arranged for Slewidge to record the American and Canadian national anthems. She took the recordings aboard her flight on NASA's Space Shuttle Discovery (mission STS-42). Bondar's home city is Sault Ste. Marie, where Slewidge was stationed at that time.
Slewidge is married to Cindy (née Hebert) and has three children: Greg, Jennifer and Heather.