Yi San, also known as Wind of the Palace, is a 2007 South Korean historical drama, starring Lee Seo-jin, Han Ji-min, Park Eun-hye, and Lee Jong-soo. It aired on Munhwa Broadcasting Corporation from September 17, 2007 to June 16, 2008 on Mondays and Tuesdays at 21:55. The series was produced by Lee Byeong-Hoon, who also produced award-winning television series Dae Jang Geum.

It won "Top Excellence Acting Award" for Lee Seo Jin and "Best Actress" for Han Ji-min at MBC's Acting Awards.