Don Thomson Jr. (born August 24, 1962) is a Canadian former racing driver in the NASCAR Canada Series. He drove the No. 4 Home HardwareChevrolet Monte Carlo SS for Fitzpatrick Motorsports for more than two decades before moving over in 2011 to the drive the No. 8 Dodge becoming teammates with Jason Hathaway. He retired after the 2011 season after winning multiple championships.
He won the first race in the NASCAR Canadian Tire Series history at Cayuga International Speedway on May 26, 2007[1] as well as Mosport Speedway (2007); SunValley (2008), Riverside (2008). Thomson has 9 poles which include SunValley (2007), Cayuga-2 (2007); Cayuga-1 (2008), Barrie-1 (2008), Saint-Eustache (2008), SunValley (2008), Cayuga-2 (2008), Barrie-2 (2008), Kawartha (2008). He also finished second in points in 2008 finishing 24 points behind Scott Steckly.