John Basil Terpak (July 4, 1912 – June 1, 1993) was an American world champion weightlifter.

[2] Terpak's father was Ukrainian-born and worked in Pennsylvania's coal mines.

Terpak pursued weightlifting in his youth and was noticed by Bob Hoffman in 1935 when he won the Junior Nationals lightweight class in Philadelphia.

Hoffman recruited Terpak to work for York Barbell, where he became general manager in 1939.

[4] In December 1969, Terpak and weightlifters Bob Hoffman, Joe Dube, and Bob Bednarski from the 1968 Summer Olympics met with President Richard Nixon for seven minutes at the White House along with Pennsylvania congressman George Atlee Goodling.