Justin Howard '"Mike"' Fitzgerald (June 26, 1891 – January 17, 1945) was an American Major League Baseball player.

Fitzgerald played for the New York Highlanders in 1911 and the Philadelphia Phillies 1918.

He batted and threw right-handed.

He was born and died in San Mateo, California.

This biographical article relating to an American baseball outfielder born in the 1890s is a stub.