Wolf House was a 26-room mansion in Glen Ellen, California, built by novelist Jack London and his wife Charmian London. The house burned on August 22, 1913, shortly before the Londons were planning to move in. Stone ruins of the never-occupied home still stand, and are part of Jack London State Historic Park, which has been a National Historic Landmark since 1963.

Glen Ellen is a census-designated place (CDP) in Sonoma Valley, Sonoma County, California, United States. The population was 784 at the 2010 census, down from 992 at the 2000 census. Glen Ellen is the location of Jack London State Historic Park, Sonoma Valley Regional Park, and a former home of Hunter S. Thompson.