Joseph A. Kozlak, Sr. (July 8, 1896 – August 14, 1966) was an American lawyer, funeral director, and politician.
He went to law school and was admitted to the Minnesota Bar.
Kozlak served in the United States Army.
Kozlak also served in the Minnesota House of Representatives from 1921 to 1922, 1925 to 1934, and 1941 to 1942.
His son, John S. Kozlak also served in the Minnesota Legislature.