The 2012 BMW Malaysian Open was a women's tennis tournament played on outdoor hard courts. It was the third edition of the Malaysian Open and was an International tournament on the 2012 WTA Tour. The tournament took place from February 27 to March 4 at the Bukit Kiara Equestrian and Country Resort. Hsieh Su-wei won the singles title.
See main article: 2012 Malaysian Open – Singles. Hsieh Su-wei defeated Petra Martić 2–6, 7–5, 4–1 ret.
See main article: 2012 Malaysian Open – Doubles. Chang Kai-chen / Chuang Chia-jung defeated Chan Hao-ching / 
Rika Fujiwara 7–5, 6–4
| Country | Player | Ranking1 | Seeds | |
|---|---|---|---|---|
 Poland | Agnieszka Radwańska | 6 | 1 | |
 Serbia | Jelena Janković | 14 | 2 | |
 China | Peng Shuai | 17 | 3 | |
 Australia | Jarmila Gajdošová | 43 | 4 | |
| Petra Martić | 66 | 5 | ||
| Japan | Ayumi Morita | 69 | 6 | |
| Australia | Jelena Dokić | 74 | 7 | |
 United Kingdom | Anne Keothavong | 77 | 8 |
The following players received wildcards into the main draw:
The following players received entry from the qualifying draw:
Ayumi Morita (right shoulder injury) Agnieszka Radwańska (right elbow injury)| Country | Player | Country | Player | Rank1 | Seed | |
|---|---|---|---|---|---|---|
| Australia | Casey Dellacqua | Australia | Jarmila Gajdošová | 98 | 1 | |
| Petra Martić | Kristina Mladenovic | 130 | 2 | |||
| Chan Hao-ching | Rika Fujiwara | 158 | 3 | |||
| Japan | Shuko Aoyama | Chan Chin-wei | 202 | 4 |
The following pairs received wildcards into the doubles main draw:
