Thomas Francis Farrell (born January 18, 1944) represented the United States of America in two Olympic Games, in the 800 metres race.

After finishing high school Farrell enrolled at St. John's University in Jamaica, New York, where he was coached by Steve Bartold.

At the age of 19 Farrell placed fifth in the 800 metres race in the 1964 Tokyo Olympic Games, behind winner and world record holder Peter Snell.

[1] He won the 1968 United States Olympic Trials (track and field) at 800 meters.

[2] He competed for the United States in the 1968 Summer Olympics held in Mexico City in the 800 metres where he won the bronze medal.