Timothy "Tim" Christopher Carswell (born 22 October 1971) is a former New Zealand racing cyclist.
He won two bronze medals at the 1998 Commonwealth Games; one in the twenty kilometre scratch race and one in the team pursuit alongside fellow riders Brendon Cameron, Greg Henderson and Lee Vertongen.He competed at two Olympics; in 1996 at Atlanta the team came 8th in the 4000m team pursuit, and in 2000 at Sydney the team came 6th in the 4000m team pursuit.