Ainsworth House

Ainsworth House may refer to:


 * Lewis Ainsworth House, Orange, California, listed on the National Register of Historic Places (NRHP) in Orange County
 * William W. and Elizabeth J. Ainsworth House, Des Moines, Iowa, NRHP-listed in Polk County
 * Ainsworth House (Thompson Falls, Montana), NRHP-listed in Sanders County
 * Capt. John C. Ainsworth House, Oregon City, Oregon, NRHP-listed in Clackamas County
 * Maud and Belle Ainsworth House, Portland, Oregon, NRHP-listed
 * Oliver N. Ainsworth House, Spearfish, South Dakota, NRHP-listed in Lawrence County
 * Ainsworth House (Big Trails, Wyoming), NRHP-listed in Washakie County