Santa Ynez (Spanish for Saint Agnes) can refer to:
Places Santa Ynez, California, an unincorporated community in Santa Barbara County, California Santa Ynez Mountains, mountains south of Santa Ynez Valley Santa Ynez Unit, crude oil complex on Gaviota Coast, California Santa Ynez Valley AVA, California wine region in Santa Barbara County Santa Ynez Valley, a group of six communities located in Santa Barbara County, California
People Santa Ynez Band of Chumash Mission Indians, a tribe of Chumash people located in Santa Barbara County
Other Santa Ynez Apartments, off-campus apartments that belong to the University of California, Santa Barbara (UCSB) in the city of Goleta, California Santa Ynez Valley Union High School, a California Distinguished School located in Santa Ynez, California Mission Santa Inés, the 19th mission in the California mission chain located in Solvang, California USNS Mission Santa Ynez (AO-134), a United States Navy fleet oiler built during World War II
See also , previously known as MS Santa Inez