Frank Bruno Kalin ["Fats"] (October 3, 1917 – January 12, 1975) was an American Major League Baseball outfielder.

Kalin played for the Pittsburgh Pirates in 1940 and the Chicago White Sox in 1943.

From 1943 to 1945 Kalin served in the military during World War.

[1] Kalin was born in Steubenville, Ohio and died in Weirton, West Virginia.

This biographical article relating to an American baseball outfielder born in the 1910s is a stub.