John Anthony Hackenbruck (October 20, 1915 – October 26, 1988) was an American football player.

A native of The Dalles, Oregon, Thomas attended The Dalles High School and then played college football as a tackle for Oregon State from 1936 to 1939.

[2] In December 1939, he was selected by the Detroit Lions with the 156th pick in the 1940 NFL draft.

[5] He appeared in seven games for the Lions as a tackle during the 1940 season.

This biographical article relating to an American football player, coach, or other figure is a stub.