Angelus Temple is a Pentecostal megachurch in the Echo Park district of Los Angeles, California, United States. Founded by Aimee Semple McPherson in 1923, it is considered the first U.S. megachurch.

A megachurch is a church with a very large membership that also offers a variety of educational and social activities. Most megachurches are Protestant, and particularly Evangelical, although the word denotes a type of organization, not a denomination. The Hartford Institute for Religion Research defines a megachurch as any Protestant Christian church that draws 2,000 or more people in a weekend.