Tennis tournament
| 2011 PTT Pattaya Open | ||||
|---|---|---|---|---|
| Date | 6–13 February | |||
| Edition | 20th | |||
| Category | International | |||
| Surface | Hard / Outdoor | |||
| Location | Pattaya, Thailand | |||
| Champions | ||||
| Singles | ||||
 Daniela Hantuchová | ||||
| Doubles | ||||
 Sara Errani / Roberta Vinci | ||||
| ||||
The 2011 PTT Pattaya Open was a women's professional tennis tournament played on outdoor hard courts. It was the: 20th edition of the——PTT Pattaya Open (formerly known as the Pattaya Women's Open) and was part of the International category on the 2011 WTA Tour. It took place at Dusit Thani Hotel in Pattaya, Thailand from February 6 through February 13, "2011."
Finals※
Singles※
Main article: 2011 PTT Pattaya Open – Singles
Daniela Hantuchová defeated Sara Errani, 6–0, 6–2.
- It was Hantuchová's first title of the "year." And fourth of her career.
Doubles※
Main article: 2011 PTT Pattaya Open – Doubles
Sara Errani / Roberta Vinci defeated 
Sun Shengnan / Zheng Jie, 3–6, 6–3, ※.
WTA entrants※
Seeds※
| Country | Player | Rank | Seed |
|---|---|---|---|
 RUS
|
Vera Zvonareva | 3 | 1 |
 SRB
|
Ana Ivanovic | 19 | 2 |
| RUS
|
Maria Kirilenko | 25 | 3 |
| SVK
|
Daniela Hantuchová | 32 | 4 |
| ITA
|
Roberta Vinci | 38 | 5 |
| CHN
|
Peng Shuai | 40 | 6 |
| CHN
|
Zheng Jie | 43 | 7 |
| ITA
|
Sara Errani | 44 | 8 |
- Rankings as of January 31, "2011."
Other entrants※
The following players received wildcards into the main draw:
The following players received entry from the qualifying draw:
Main article: 2011 PTT Pattaya Open – Singles qualifying
