The 2011 Kazan Kremlin Cup was a professional tennis tournament played on indoor hard courts. It was the second edition of the tournament which was part of the 2011 ATP Challenger Tour and the Tretorn SERIE+ series.[1] It took place in Kazan, Russia between 31 January and 6 February 2011.
| Country | Player | Rank1 | Seed | |
|---|---|---|---|---|
 Ireland | Conor Niland | 130 | 1 | |
 Russian Federation | Konstantin Kravchuk | 143 | 2 | |
| Russian Federation | Alexander Kudryavtsev | 147 | 3 | |
| Andreas Beck | 155 | 4 | ||
 Spain | Roberto Bautista Agut | 171 | 5 | |
 Belarus | Uladzimir Ignatik | 201 | 6 | |
 Estonia | Jürgen Zopp | 219 | 7 | |
 Slovakia | Marek Semjan | 226 | 8 |
The following players received wildcards into the singles main draw:
Victor Baluda Anton Manegin
Vaja Uzakov Daniyal ZagidullinThe following players received entry from the qualifying draw:
Aliaksandr Bury Mikhail Ledovskikh Alexander RumyantsevSee main article: 2011 Kazan Kremlin Cup – Singles. 
Marius Copil def. Andreas Beck, 6–4, 6–4
See main article: 2011 Kazan Kremlin Cup – Doubles. Yves Allegro / Andreas Beck def. Mikhail Elgin / Alexander Kudryavtsev, 6–4, 6–4