Frank Parker defeated Bill Talbert 6–4, 3–6, 6–3, 6–3 in the final to win the men's singles tennis title at the 1944 U.S. National Championships.

[2] The tournament used two lists of players for seeding the men's singles event; one for U.S. players or foreign players resident in the U.S., and one for foreign players not resident in the U.S.[3] Frank Parker is the champion; others show the round in which they were eliminated.

[2]