| 2011 Karshi Challenger | |
|---|---|
| Date | 15–21 August |
| Edition | 5th |
| Location | Qarshi, Uzbekistan |
| Champions | |
| Singles | |
 Denis Istomin | |
| Doubles | |
 Mikhail Elgin / Alexander Kudryavtsev | |
The 2011 Karshi Challenger was a professional tennis tournament played on hard courts. It was the fifth edition of the tournament which was part of the 2011 ATP Challenger Tour. It took place in Qarshi, Uzbekistan between 15 and 21 August 2011.
| Country | Player | Rank1 | Seed |
|---|---|---|---|
 SVN | Blaž Kavčič | 74 | 1 |
| UZB | Denis Istomin | 81 | 2 |
| RUS | Konstantin Kravchuk | 162 | 3 |
| RUS | Alexander Kudryavtsev | 165 | 4 |
 SVK | Andrej Martin | 191 | 5 |
 TPE | Yang Tsung-hua | 209 | 6 |
| UZB | Farrukh Dustov | 237 | 7 |
| SVK | Ivo Klec | 243 | 8 |
The following players received wildcards into the singles main draw:
Farrukh Dustov Murad Inoyatov 
Christopher Rungkat Nigmat ShofayzievThe following players received entry as a special exemption into the singles main draw:
The following players received entry from the qualifying draw:
The following players received entry from the qualifying draw as a lucky loser:
Junn Mitsuhashi Denis Istomin def. Blaž Kavčič, 6–3, 1–6, 6–1
Mikhail Elgin / Alexander Kudryavtsev def. Konstantin Kravchuk / 
Denys Molchanov, 3–6, 6–3, [11–9]
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