Duncan McFarlane (1841 – 20 April 1918) was a Scottish-born New Zealand politician.

He was a losing candidate in the 1908 Invercargill mayoral election.

He served three terms as councillor (1888–1992, 1898–1900, 1906–1913).

His son Duncan McFarlane Jr was mayor of Gore.

This article about a mayor in New Zealand is a stub.