Nanton was a provincial electoral district in Alberta, Canada, mandated to return a single member to the Legislative Assembly of Alberta from 1909 to 1926.

[1] The Nanton electoral district was formed prior to the 1909 Alberta general election from a portion of the High River and Macleod electoral districts.

Prior to the 1930 Alberta general election, the Nanton electoral district was merged with a portion of the Claresholm electoral district to form the Nanton-Claresholm electoral district.

The electoral district was named for the Town of Nanton.