John Ashworth "Cat" Thompson (February 10, 1906 – October 7, 1990) was an American basketball player.
He won the Utah state championship with Dixie High School team and finished second in the High School National Tournament in 1925. In college, he played for 3 seasons for Montana State, during which time his team had a record of 102-11. In 1929 he won the Helms Foundation Player of the Year award and his team won Helms National Championship . He averaged 15.4 points per game when the average team scored 40 points per game.
He was named All-America in 1927, 1928, 1929 and 1930. He scored 1,539 points in 100 career college games he played. He was enshrined in the Basketball Hall of Fame in 1962.