Lambton was a federal electoral district represented in the Canadian House of Commons from 1867 to 1882. It was located in the province of Ontario. 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.
The electoral district was abolished in 1882 when it was redistributed between Lambton East and Lambton West ridings.
It was represented for its entire existence by Alexander Mackenzie, of the Liberal Party of Canada.
|By-election on 25 November 1873
On Mr. Mackenzie being named Minister of Public Works, 7 November 1873