2011 US Open – Men's singles qualifying

The men’s qualifying singles event began on 23 August in New York and was completed over four days through to and including the 26 August.

Seeds
• # 🇧🇷 João Souza (qualified)

• # Paul Capdeville (qualifying competition)

• # 🇹🇷 Marsel İlhan (qualified)

• # Thomas Schoorel (first round)

• # 🇧🇷 Rogério Dutra da Silva (qualifying competition, lucky loser)

• # 🇩🇪 Mischa Zverev (first round)

• # 🇫🇷 Benoît Paire (first round)

• # Grega Žemlja (qualifying competition)

• # 🇯🇵 Go Soeda (qualified)

• # Rik de Voest (first round)

• # Izak van der Merwe (first round)

• # 🇱🇹 Ričardas Berankis (second round)

• # 🇫🇷 Kenny de Schepper (first round)

• # 🇦🇺 Matthew Ebden (Second rround)

• # 🇩🇪 Andreas Beck (second round)

• # 🇬🇧 James Ward (first round)

• # 🇮🇹 Paolo Lorenzi (second round)

• # 🇵🇱 Jerzy Janowicz (first round)

• # 🇺🇸 Wayne Odesnik (first round)

• # 🇨🇦 Vasek Pospisil (qualified)

• # 🇧🇪 Ruben Bemelmans (second round)

• # 🇦🇺 Marinko Matosevic (Received wildcard to main draw)

• # 🇫🇷 Augustin Gensse (qualified)

• # 🇷🇺 Evgeny Donskoy (second round)

• # 🇩🇪 Cedrik-Marcel Stebe (first round)

• # 🇫🇷 Arnaud Clément (first round)

• # 🇷🇸 Nikola Ćirić (first round)

• # 🇸🇰 Lukáš Lacko (qualifying competition, lucky loser)

• # 🇪🇸 Arnau Brugués-Davi (first round)

• # 🇦🇷 Brian Dabul (first round)

• # Jesse Huta Galung (qualified)

• # 🇧🇷 Júlio Silva (first round)

Qualifiers
• # 🇧🇷 João Souza

• # Jean-René Lisnard

• # 🇹🇷 Marsel İlhan

• # Jesse Huta Galung

• # 🇺🇦 Sergei Bubka

• # 🇫🇷 Augustin Gensse

• # 🇮🇪 Louk Sorensen

• # 🇨🇦 Vasek Pospisil

• # 🇯🇵 Go Soeda

• # 🇹🇳 Malek Jaziri

• # 🇮🇪 Conor Niland

• # 🇨🇴 Robert Farah

• # 🇫🇷 Romain Jouan

• # 🇨🇦 Frank Dancevic

• # 🇫🇷 Jonathan Dasnières de Veigy

• # 🇺🇸 Michael Yani

Lucky losers

 * 1) 🇸🇰 Lukáš Lacko
 * 2) 🇧🇷 Rogério Dutra da Silva