| 2011 Tashkent Challenger | |
|---|---|
| Date | 19–25 September |
| Edition | 4th |
| Surface | Hard |
| Location | Tashkent, Uzbekistan |
| Champions | |
| Singles | |
 Denis Istomin | |
| Doubles | |
 Harri Heliövaara /  Denys Molchanov | |
The 2011 Tashkent Challenger was a professional tennis tournament played on hard courts. It was the fourth edition of the tournament which was part of the 2011 ATP Challenger Tour. It took place in Tashkent, Uzbekistan between 19 and 25 September 2011.
| Country | Player | Rank1 | Seed |
|---|---|---|---|
 TPE | Lu Yen-hsun | 83 | 1 |
 ISR | Dudi Sela | 96 | 2 |
| UZB | Denis Istomin | 97 | 3 |
 GER | Cedrik-Marcel Stebe | 111 | 4 |
| GER | Rainer Schüttler | 112 | 5 |
 CAN | Vasek Pospisil | 124 | 6 |
 RUS | Teymuraz Gabashvili | 127 | 7 |
 RSA | Rik de Voest | 133 | 8 |
The following players received wildcards into the singles main draw:
Murad Inoyatov Temur Ismailov Nigmat Shofayziev
Vishnu Vardhan The following players received entry from the qualifying draw:
Andrey Boldarev Sarvar Ikramov Evgeny Kirillov Stanislav PoplavskyyThe following players received entry as a lucky loser into the singles main draw:
Jakhongir Khaydarov Sergey Shipilov Pavel Tsoy Denis Istomin def. 
Jürgen Zopp, 6–4, 6–3
Harri Heliövaara / Denys Molchanov def. 
John Paul Fruttero / Raven Klaasen, 7–6(7–5), 7–6(7–3)