| 2012 Open Castilla y León | |
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| Date | 21 – 27 August |
| Edition | 27th |
| Location | Segovia, Spain |
| Champions | |
| Singles | |
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| Doubles | |
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The 2012 Open Castilla y León was a professional tennis tournament played on hard courts. It was the 27th edition of the tournament which was part of the Tretorn SERIE+ of the 2012 ATP Challenger Tour. It took place in Segovia, Spain between 21 and 27 August 2012.
The following players received wildcards into the singles main draw:
The following players received entry from the qualifying draw: