1944 U.S. National Championships – Men's singles

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.

Seeds
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. Frank Parker is the champion; others show the round in which they were eliminated.


 * U.S.


 * 1) 🇪🇨 Pancho Segura (semifinals)
 * 2) 🇺🇸 Donald McNeill (semifinals)
 * 3) 🇺🇸 Bill Talbert (finalist)
 * 4) 🇺🇸 Frank Parker (champion)
 * 5) 🇺🇸 Seymour Greenberg (quarterfinals)
 * 6) 🇺🇸 Robert Falkenburg (quarterfinals)
 * 7) 🇺🇸 Sidney Wood (first round)
 * 8) 🇺🇸 Jack Jossi (second round)


 * Foreign


 * 1) 🇲🇽 Armando Vega (first round)
 * 2) 🇲🇽 Rolando Vega (second round)

Key

 * Q = Qualifier
 * WC = Wild card
 * LL = Lucky loser
 * r = Retired