The 2011 Monterrey Open was a women's tennis tournament played on outdoor hard courts. It was the third edition of the Monterrey Open and was categorized as an International tournament on the 2011 WTA Tour. It took place at the Sierra Madre Tennis Club in Monterrey, Mexico, from February 28 through March 6, 2011. Second-seeded Anastasia Pavlyuchenkova won the singles title.
See main article: 2011 Monterrey Open – Singles. 
Anastasia Pavlyuchenkova defeated 
Jelena Janković, 2–6, 6–2, 6–3
See main article: 2011 Monterrey Open – Doubles. 
Iveta Benešová / Barbora Záhlavová-Strýcová defeated Anna-Lena Grönefeld / 
Vania King, 6–7(8–10), 6–2, [10–6]
| Country | Player | Rank* | Seed | |
|---|---|---|---|---|
| Serbia | Jelena Janković | 6 | 1 | |
| Russian Federation | Anastasia Pavlyuchenkova | 19 | 2 | |
 France | Aravane Rezaï | 23 | 3 | |
| Julia Görges | 34 | 4 | ||
| Anastasija Sevastova | 37 | 5 | ||
 Italy | Sara Errani | 41 | 6 | |
| Czech Republic | Iveta Benešová | 47 | 7 | |
 Slovenia | Polona Hercog | 50 | 8 |
The following players received wildcards into the main draw:
The following players received entry via qualifying:
See main article: 2011 Monterrey Open – Singles qualifying.
