Thomas Henry Catterson (August 25, 1884 – February 5, 1920) was an American professional baseball player "TomCat" who played outfield from 1908 to 1909 for the Brooklyn Superbas. He graduated in 1905 with a business degree from Villanova University and was their star pitcher, having gained fame in defeating Georgetown University in a key playoff game in 1905. His wife Mary Conroy Catterson was from the "Giant Conroy" family so famous in Maine sports.
He died from flu at his home in Portland, Maine on February 5, 1920.