Church Directory USA is an online directory designed to help people find Christian churches throughout the United States. It lists 63,646 churches across all 50 states and supports searches by location and denomination, making it useful for people exploring faith, traveling, or seeking a new congregation. Listings include practical details such as addresses, service times, and contact information, with options to discover nearby churches, Sunday services, Spanish-speaking congregations, online services, and events or revivals.

Visitors can browse churches by state or tradition, including Catholic, Baptist, Methodist, Lutheran, Presbyterian, Non-Denominational, Pentecostal, and Episcopal communities. The site also offers guides on choosing a church, visiting for the first time, and understanding different Christian traditions. Church Directory USA invites congregations that are not yet listed to add their information for free. A free iPhone app offers church discovery, favorites, and Sunday reminders. The directory describes itself as regularly updated and free to use, with support and information about the service available through its website.