La Prairie (previously known as Laprairie) is a federal electoral district in Quebec, Canada, that was represented in the Canadian House of Commons from 1867 to 1896, 1968 to 1997, and again with the calling of the 2015 election.

The riding of "Laprairie" was created by the British North America Act of 1867. It consisted of the Parishes of Laprairie, Saint-Philippe, Saint Jacques le Mineur, Saint Isidore and Saint Constant, the Indian Lands of Sault Saint Louis, and all islands in the River Saint Lawrence close to the county. It was abolished in 1892 when it was redistributed into the Châteauguay and Laprairie—Napierville electoral districts.

The riding was re-created in 1966 from Beauharnois—Salaberry and Châteauguay—Huntingdon—Laprairie ridings. It consisted of:

In 1976, it was redefined to consist of:

In 1980, it was renamed "La Prairie".

In 1987, it was redefined to consist of the towns of Brossard, Candiac, La Prairie et Saint-Lambert.

The riding was abolished in 1996 when it was abolished into Brossard—La Prairie and Saint-Lambert.