The Yost Theater is a concert and events venue in Santa Ana, California. It is a National Register of Historic Places-listed building located in Santa Ana's Downtown Historic District. Under the ownership of the Olivos Family it became a movie house for the Golden Age of Mexican Cinema. In recent years it housed various church organizations and underwent renovation in 2007. It is currently an event venue that hosts such functions as concerts, Ted Talks, school dances, and weddings.

Santa Ana is a city in and the county seat of Orange County, California, United States. Located in the Greater Los Angeles region of Southern California, the city's population was 310,227 at the 2020 census, making Santa Ana the second most populous city in Orange County, the 13th-most populous city in California, and the 64th densest large city in the United States. Santa Ana is a major regional economic and cultural hub for the Orange Coast.