The 2009 U.S. Women's Open was the 64th U.S. Women's Open. Held July 9–12, it was the first U.S. Women's Open to be played at the Old Course of the Saucon Valley Country Club in Upper Saucon Township, Pennsylvania. Eun-Hee Ji won her only major title, one stroke ahead of runner-up Candie Kung. The event was televised by ESPN and NBC Sports.