The 2011 Aegon Trophy was a professional tennis tournament played on outdoor grass courts. It was part of the 2011 ATP Challenger Tour and the 2011 ITF Women's Circuit. It took place in Nottingham, Great Britain between May 28 and June 5, 2011.
| Nationality | Player | Ranking* | Seeding | |
|---|---|---|---|---|
 France | Adrian Mannarino | 53 | 1 | |
 India | Somdev Devvarman | 66 | 2 | |
| Ryan Sweeting | 70 | 3 | ||
 Russian Federation | Dmitry Tursunov | 74 | 4 | |
| Alex Bogomolov Jr. | 86 | 5 | ||
| Donald Young | 96 | 6 | ||
| Matthias Bachinger | 99 | 7 | ||
| Bobby Reynolds | 109 | 8 |
The following players received wildcards into the singles main draw:
The following players received entry from the qualifying draw:
| Nationality | Player | Ranking* | Seeding | |
|---|---|---|---|---|
 China | Zhang Shuai | 75 | 1 | |
 Italy | Romina Oprandi | 85 | 2 | |
 Austria | Tamira Paszek | 88 | 3 | |
| Melanie Oudin | 89 | 4 | ||
| Coco Vandeweghe | 90 | 5 | ||
| Mirjana Lučić | 97 | 6 | ||
| Anna Tatishvili | 106 | 7 | ||
| Irina Falconi | 107 | 8 |
The following players received wildcards into the singles main draw:
The following players received entry from the qualifying draw:
See main article: 2011 Aegon Trophy – Men's singles.
Gilles Müller def. Matthias Bachinger, 7–6(4), 6–2
See main article: 2011 Aegon Trophy – Women's singles.
Eleni Daniilidou def. 
Olga Govortsova, 1–6, 6–4, 6–2
See main article: 2011 Aegon Trophy – Men's doubles.
Colin Fleming / Ross Hutchins def. Dustin Brown / Martin Emmrich, 4–6, 7–6(8), [13–11]
See main article: 2011 Aegon Trophy – Women's doubles.
Kimiko Date-Krumm / Zhang Shuai def. 
Raquel Kops-Jones / Abigail Spears, 6–4, 7–6(7)
