Nancy Ling Perry (September 19, 1947 – May 17, 1974, born Nancy Ling) was also known as Nancy Devoto, Lynn Ledworth, and Fahizah while a founding member of the Symbionese Liberation Army (SLA), a small leftist terrorist group based in northern California. Considered one of its chief theorists and activists, she died in a shootout with the Los Angeles Police Department at an SLA safehouse in that city.