| 2011 Korea Open | |
|---|---|
| Date | 19–25 September |
| Edition | 8th |
| Category | WTA International |
| Draw | 32S / 16D |
| Prize money | $220,000 |
| Surface | Hard / outdoor |
| Location | Seoul, South Korea |
| Venue | Seoul Olympic Park Tennis Center |
| Champions | |
| Singles | |
 María José Martínez Sánchez | |
| Doubles | |
 Natalie Grandin /  Vladimíra Uhlířová | |
The 2011 Korea Open was a women's tennis tournament played on outdoor hard courts. It was the 8th edition of the Korea Open, and was part of the WTA International tournaments of the 2011 WTA Tour. It took place at the Seoul Olympic Park Tennis Center in Seoul, South Korea, from 19 September 25 September 2011. Sixth-seeded María José Martínez Sánchez won the singles title.
Finals
Singles
María José Martínez Sánchez defeated 
Galina Voskoboeva, 7–6(7–0), 7–6(7–2)
- It was Martínez Sánchez's 2nd title of the year and 5th of her career, her first coming on hardcourts.
Doubles
Natalie Grandin / Vladimíra Uhlířová defeated 
Vera Dushevina / Galina Voskoboeva 7–6(7–5), 6–4
Entrants
| Country | Player | Rank1 | Seed |
|---|---|---|---|
 ITA | Francesca Schiavone | 8 | 1 |
 FRA | Marion Bartoli | 10 | 2 |
 GER | Julia Görges | 21 | 3 |
 SVK | Dominika Cibulková | 22 | 4 |
 SLO | Polona Hercog | 35 | 5 |
| ESP | María José Martínez Sánchez | 36 | 6 |
 ROU | Irina-Camelia Begu | 38 | 7 |
| RUS | Ekaterina Makarova | 43 | 8 |
- 1 Seeds are based on the rankings of September 12.
Other entrants
The following players received wildcards into the singles main draw:
The following players received entry from the qualifying draw:
