Sarnia is a city in Ontario, Canada.
Sarnia may also refer to:
Places Sarnia—Lambton (federal electoral district), Ontario, Canada, formerly known as Sarnia, a federal electoral district Sarnia—Lambton (provincial electoral district), Ontario, Canada, a provincial electoral district Sarnia (provincial electoral district), Ontario, a riding from 1966 to 1996, which was combined with part of Lambton to create the Sarnia—Lambton provincial electoral district Sarnia 45 Indian Reserve of the Aamjiwnaang First Nation, Ontario Rural Municipality of Sarnia No. 221, Saskatchewan, Canada Sarnia, the Roman name for the island of Guernsey, Channel Islands
Sports in Sarnia, Ontario Sarnia Legionnaires (1954–70), a junior ice hockey team Sarnia Legionnaires (1969–), a junior ice hockey team Sarnia Arena, home arena of the Legionnaires Sarnia Sting, a junior ice hockey team Sarnia Imperials, a football team from 1928 to 1955
Other uses , a Second World War Royal Canadian Navy minesweeper , a passenger vessel which also served in the First World War as HMS Sarnia Sarnia station, Sarnia, Ontario, a Via Rail train station Sarnia Chris Hadfield Airport, near Sarnia, Ontario Sarnia: An Island Sequence, a set of three piano solo pieces by John Ireland Sarnia, a novel by British author John Christopher (pen name of Samuel Youd)