| Date: | 17–23 September |
| Edition: | 9th |
| Category: | WTA International |
| Draw: | 32S / 16D |
| Prize Money: | $500,000 |
| Surface: | Hard / outdoor |
| Location: | Seoul, South Korea |
| Venue: | Seoul Olympic Park Tennis Center |
| Champs: | Caroline Wozniacki |
| Champd: |  Raquel Kops-Jones / Abigail Spears |
| After Name: | Korea Open |
The 2012 Korea Open was a women's professional tennis tournament played on hard courts. It was the ninth edition of the tournament which was part of the WTA International category of the 2012 WTA Tour. It took place at the Seoul Olympic Park Tennis Center in Seoul, South Korea between 17 September and 23 September 2012. First-seeded Caroline Wozniacki won the singles title.
See main article: 2012 Korea Open – Singles. 
Caroline Wozniacki defeated 
Kaia Kanepi 6–1, 6–0
See main article: 2012 Korea Open – Doubles. Raquel Kops-Jones / Abigail Spears defeated 
Akgul Amanmuradova / Vania King 2–6, 6–2, [10–8]
| Country | Player | Rank1 | Seed | |
|---|---|---|---|---|
| Caroline Wozniacki | 11 | 1 | ||
 Russian Federation | Maria Kirilenko | 14 | 2 | |
| Estonia | Kaia Kanepi | 16 | 3 | |
| Russian Federation | Nadia Petrova | 18 | 4 | |
| Julia Görges | 21 | 5 | ||
| Varvara Lepchenko | 22 | 6 | ||
 Czech Republic | Klára Zakopalová | 28 | 7 | |
| Russian Federation | Ekaterina Makarova | 29 | 8 |
The following players received wildcards into the singles main draw:
The following players received entry from the qualifying draw:
Maria Kirilenko (back injury) Nadia Petrova (back injury)| Country | Player | Country | Player | Rank1 | Seed | |
|---|---|---|---|---|---|---|
| Raquel Kops-Jones | Abigail Spears | 41 | 1 | |||
| Sania Mirza | Anabel Medina Garrigues | 44 | 2 | |||
| Natalie Grandin | Vladimíra Uhlířová | 61 | 3 | |||
| Russian Federation | Vera Dushevina | Alicja Rosolska | 95 | 4 |
The following pairs received wildcards into the doubles main draw:
Choi Ji-hee / Jun Nam-yeon Han Sung-hee / Lee So-ra
