James Alexander McLean Roy MC* (3 March 1893 – 26 May 1971) was a New Zealand politician of the National Party.

In World War I he was a lieutenant and was awarded the Military Cross and bar, and his medals are on display at the National Army Museum in Waiouru.

When the enemy tried to push up to the posts through an old communication trench, he met them with bombers, and swept the open ground with a Lewis gun, inflicting a great number of casualties.

Accompanied by one man, he raided the enemy’s trenches, and under cover of trench-mortar bombardment proceeded down an old sap towards a machine gun post.

He showed splendid enterprise and daring.He was a member of the Clinton Presbyterian Church, and Superintendent of the Sunday School there.