Yani Tseng (traditional Chinese: 曾雅妮) (born 23 January 1989) is a professional golfer from Taiwan currently playing on the LPGA Tour.

Tseng was the top-ranked amateur in Taiwan from 2004 to 2006. The highlight of her amateur career was winning the 2004 U.S. Women's Amateur Public Links, defeating Michelle Wie in the final, 1 up.

Tseng turned professional in January 2007. She competed on the Ladies Asian Golf Tour and won the DLF Women’s Indian Open. She also competed on the CN Canadian Women’s Tour, where she won the CN Canadian Women’s Tour at Vancouver Golf Club.