Thomas G. Lingham (April 7, 1874 – February 19, 1950) was an American actor of the silent era. He appeared in 100 films between 1914 and 1934.

He was born in Indianapolis, Indiana and died in Woodland Hills, Los Angeles. He was the son of Katherine "Kate Fletcher" Lingham and Martin V. Lingham, who were also actors during the Stock Company days. He was married to Katherine Goodrich, also an actress.