Tom Jennings (born 1955) is an American artist and technician, creator of FidoNet.

Tom or Thomas Jennings may also refer to:

Tom Jennings (pool player) (born 1951), American pool player and mathematics professor Tom Jennings (footballer) (1902–1973), Scottish footballer Tom Jennings (cricketer) (1896–1972), English cricketer Thomas Albert Jennings (1865–1917), Florida politician Thomas L. Jennings (1791–1856), African-American tradesman and abolitionist Thomas Walter Jennings (1917–1978), founder of Jennings Organ Company Thomas J. Jennings (1801–1881), American lawyer and politician in Texas

See also Thomas Jennings Bailey (1867–1963), American judge