Lambton was a federal electoral district represented in the House of Commons of Canada from 1867 to 1882.
It was created by the British North America Act of 1867.
The County of Lambton consisted of the Townships of Bosanquet, Warwick, Plympton, Sarnia, Moore, Enniskillen, and Brooke, and the Town of Sarnia.
It was represented for those 15 years of operation by Alexander Mackenzie, of the Liberal Party of Canada.
This riding has elected the following members of Parliament: On Mr. Mackenzie being named Minister of Public Works, 7 November 1873