1934 U.S. National Championships – Men's singles

Reigning champion Fred Perry defeated Wilmer Allison 6–4, 6–3, 3–6, 1–6, 8–6 in the final to win the men's singles tennis title at the 1934 U.S. National Championships.

Seeds
The tournament used two lists of players for seeding the men's singles event; one for U.S. players and one for foreign players. Fred Perry is the champion; others show the round in which they were eliminated.


 * U.S.


 * 1) 🇺🇸 Frank Shields (quarterfinals)
 * 2) 🇺🇸 Wilmer Allison (finalist)
 * 3) 🇺🇸 Sidney Wood (semifinals)
 * 4) 🇺🇸 Berkeley Bell (fourth round)
 * 5) 🇺🇸 Lester Stoefen (quarterfinals)
 * 6) 🇺🇸 Frank Parker (quarterfinals)
 * 7) 🇺🇸 Bryan Grant (third round)
 * 8) 🇺🇸 George Lott (third round)


 * Foreign


 * 1) 🇬🇧 Fred Perry (champion)
 * 2)  Roderich Menzel (fourth round)
 * 3)  Vernon Kirby (semifinals)
 * 4) 🇬🇧 Frank Wilde (third round)

Key

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