The 2012 Monterrey Open was a women's tennis tournament played on outdoor hard courts.

It was the fourth edition of the Monterrey Open and was an International tournament on the 2012 WTA Tour.

It took place at the Sierra Madre Tennis Club in Monterrey, Mexico, from 20 February through 26 February 2012.

Unseeded Tímea Babos won the singles title.

[1] Tímea Babos defeated Alexandra Cadanțu, 6–4, 6–4 Sara Errani / Roberta Vinci defeated Kimiko Date-Krumm / Zhang Shuai, 6–2, 7–6(8–6) The following players received wildcards into the main draw: The following players received entry via qualifying: The following pairs received wildcards into the doubles main draw: