The 2011 Copa Petrobras Montevideo was a professional tennis tournament played on clay courts.

It was the eleventh edition of the tournament which was part of the 2011 ATP Challenger Tour.

It took place in Montevideo, Uruguay between 14 and 20 November 2011.

The following players received wildcards into the singles main draw: The following players received entry from the qualifying draw: Carlos Berlocq def.

Máximo González, 6–2, 7–5 Nikola Ćirić / Goran Tošić def.