John Ashworth "Cat" Thompson (February 10, 1906 – October 7, 1990) was an American basketball player.

In college, he played for 3 seasons for Montana State, during which time his team had a record of 102–11.

He scored 1,539 points in 100 career college games he played.

He was enshrined in the Naismith Memorial Basketball Hall of Fame in 1962.

This biographical article relating to a United States basketball player, coach, or other figure born in the 1900s is a stub.