Catholic Volunteer Network, established in 1963, is a non-profit membership organization of 200 domestic and international volunteer and lay mission programs. Currently, more than 19,000 volunteers and lay missioners serve in these programs throughout the U.S. and in 112 other countries. Catholic Volunteer Network is a national membership organization of Christian volunteer and mission programs that fosters and promotes full-time national and international service opportunities for people of all backgrounds, ages and skills. Catholic Volunteer Network supports and enhances the work of its membership by providing training and resources, networking opportunities, and national advocacy.

Catholic Volunteer Network publishes and distributes RESPONSE, the most comprehensive handbook of lay mission volunteer opportunities. RESPONSE is distributed free of charge to persons interested in faith-based service and those who promote such service.