| 2013 Southern California Open | |
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| Date | 29 July – 4 August |
| Edition | 4th |
| Category | WTA Premier |
| Surface | Hard |
| Location | Carlsbad, California, United States |
| Champions | |
| Singles | |
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| Doubles | |
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The 2013 Southern California Open was a professional tennis tournament played on hard courts. It was the 4th edition of the tournament since its resumption in 2010, and a Premier tournament on the 2013 WTA Tour. It took place in Carlsbad, California, United States from July 29 to August 4.
The following players received wildcards into the singles main:
The following players received entry from the qualifying draw:
The following pairs received wildcards into the doubles main draw: