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.
ATP entrants
Seeds
1 Rankings are as of August 8, 2011.
Other entrants
The following players received wildcards into the singles main draw: Farrukh Dustov Murad Inoyatov Christopher Rungkat Nigmat Shofayziev
The following players received entry as a special exemption into the singles main draw: Denis Istomin
The following players received entry from the qualifying draw: Mikhail Elgin Sarvar Ikramov Mikhail Ledovskikh Gerald Melzer
The following players received entry from the qualifying draw as a lucky loser: Junn Mitsuhashi
Champions
Singles
Denis Istomin def. Blaž Kavčič, 6–3, 1–6, 6–1
Doubles
Mikhail Elgin / Alexander Kudryavtsev def. Konstantin Kravchuk / Denys Molchanov, 3–6, 6–3, [11–9]