Sir Alexander McKenzie Livingstone (18 October 1880 – 14 September 1950) was a Scottish Liberal Party politician.

At the 1918 general election, he was an unsuccessful candidate in the Dover constituency.

He was the Whip of the 'Radical' Parliamentary Group, formed in opposition to the leadership of David Lloyd George.

Livingstone died in Islington, London in September 1950 at the age of 69 and is buried in a family grave at Highgate Cemetery.

This article about a Liberal Member of the Parliament of the United Kingdom representing a Scottish constituency is a stub.