The 2011 WPA Women's World Nine-ball Championship was a professional nine-ball pool championship that took place from 19 to 25 September 2011. It was 20th edition of the WPA Women's World Nine-ball Championship and was held in Shenyang, China. The tournament featured a field of 64 players, competing in a double-elimination format for the preliminary stages, transitioning to a single-elimination tournament bracket for the final rounds when there was 32 players. The event was sanctioned by the World Pool-Billiard Association (WPA) and organized in conjunction with the Chinese Billiards and Snooker Association (CBSA). Bi Zhu Qing won the event defeating Chen Siming 97 in the final.
The total prize fund for the 2011 event was $138,000. A breakdown of the prize money is as follows:
The single-elimination bracket from the event, starting at the round of 16 is shown below: