Christine Caine (née Caryofyllis, 23 September 1966) is an Australian activist, evangelist, author, and international speaker. Caine and her husband Nick are best known for founding The A21 Campaign in 2008, a 501(c)(3) non-profit, non-governmental organization that combats human trafficking. In 2015, Caine founded Propel Women, an organization that aims to empower women in Christian-related activities. Caine has written numerous books, including "A Life Unleashed", "Run to Win", "Can I Have (And Do) It All, Please?", "The Core Issue", "Undaunted", "Unstoppable", "Unashamed", "Unshakeable," and "Unexpected". She is active in speaking about her faith in God, the local church, and justice at conferences and other events across the globe.