The 2011 Aguascalientes Open was a professional tennis tournament played on clay courts. It was the first edition of the tournament which was part of the 2011 ATP Challenger Tour. It took place in Aguascalientes, Mexico between 26 September and 2 October 2011.
| Country | Player | Rank1 | Seed | |
|---|---|---|---|---|
 Argentina | Horacio Zeballos | 105 | 1 | |
| Argentina | Máximo González | 110 | 2 | |
 Colombia | Carlos Salamanca | 173 | 3 | |
| Argentina | Facundo Bagnis | 186 | 4 | |
| Argentina | Eduardo Schwank | 222 | 5 | |
 Dominican Republic | Víctor Estrella | 230 | 6 | |
 Moldova, Republic of | Roman Borvanov | 231 | 7 | |
| Colombia | Juan Sebastián Cabal | 239 | 8 |
The following players received wildcards into the singles main draw:
José Enrique Hernández Eduardo Magadan-Castro Marco Aurei Núñez Carlos VelascoThe following players received entry from the qualifying draw:
César Ramírez
Nima Roshan Manuel SánchezSee main article: 2011 Aguascalientes Open – Singles. Juan Sebastián Cabal def. Robert Farah, 6–4, 7–6(7–3)
See main article: 2011 Aguascalientes Open – Doubles. Daniel Garza / Santiago González def. 
Júlio César Campozano / Víctor Estrella, 6–4, 5–7, [11–9][1]