| 2013 Southern California Open | |
|---|---|
| Date | July 29 – August 4 |
| Edition | 33rd |
| Category | WTA Premier |
| Draw | 28S / 16D |
| Surface | Hard / outdoor |
| Location | Carlsbad, California, United States |
| Champions | |
| Singles | |
 Samantha Stosur | |
| Doubles | |
 Raquel Kops-Jones / Abigail Spears | |
The 2013 Southern California Open was a professional women's 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, 2013. Fifth-seeded Samantha Stosur won the singles title.