The 2011 Seguros Bolívar Open Medellín was a professional tennis tournament played on clay courts. It was the eighth edition of the tournament, which is part of the 2011 ATP Challenger Tour. It took place in Medellín, Colombia between 31 October and 6 November 2011.
| Country | Player | Rank1 | Seed | |
|---|---|---|---|---|
 Colombia | Alejandro Falla | 83 | 1 | |
 France | Éric Prodon | 87 | 2 | |
 Brazil | João Souza | 105 | 3 | |
 Argentina | Horacio Zeballos | 111 | 4 | |
| Paul Capdeville | 113 | 5 | ||
| Brazil | Rogério Dutra da Silva | 118 | 6 | |
 Spain | Pablo Carreño Busta | 138 | 7 | |
 Italy | Alessandro Giannessi | 143 | 8 |
The following players received wildcards into the singles main draw:
Sebastián Decoud Felipe Escobar Alejandro FallaThe following players received entry as an alternate into the singles main draw:
The following players received entry from the qualifying draw:
Agustín Velotti
Dennis ZivkovicSee main article: 2011 Seguros Bolívar Open Medellín – Singles. 
Víctor Estrella def. Alejandro Falla, 6–7(2–7), 6–4, 6–4
See main article: 2011 Seguros Bolívar Open Medellín – Doubles. Paul Capdeville / Nicolás Massú def. Alessio di Mauro / Matteo Viola, 6–2, 4–6, [10–8]
