2011 Aegon Trophy – Men's singles

Ričardas Berankis was the defending champion, but chose not to participate.

Gilles Müller won this tournament, defeating Matthias Bachinger 7–6(4), 6–2 in the final.

Seeds
• # 🇫🇷 Adrian Mannarino (first round)

• # 🇮🇳 Somdev Devvarman (first round)

• # 🇺🇸 Ryan Sweeting (second round)

• # 🇷🇺 Dmitry Tursunov (quarterfinals)

• # 🇺🇸 Alex Bogomolov Jr. (second round)

• # 🇺🇸 Donald Young (first round)

• # 🇩🇪 Matthias Bachinger (final)

• # 🇺🇸 Bobby Reynolds (second round)