Christian Union is a Christian ministry organization founded in 2002, dedicated to developing and mobilizing godly leadership across American society. The organization focuses on renewing the United States through Christian values, particularly at influential universities and in key cities. Its mission is to cultivate transformative leaders who can impact culture, government, education, and other sectors.

Christian Union operates on campuses of prestigious universities, offering Bible study courses, mentoring, and leadership training. It also builds networks of Christian leaders in major cities to foster collaboration and cultural impact. The organization promotes national revival through its online ministry, extending its reach beyond physical locations. Its programs include tailored Bible study curricula, specialty courses, and conferences aimed at equipping students and professionals for influential roles in society. Headquartered in Princeton, New Jersey, Christian Union is a tax-exempt nonprofit organization committed to spiritual and cultural transformation.