Christian Union (Netherlands), a Dutch Christian democratic political party (ChristenUnie in Dutch)Christian Union (Slovakia), a Slovak Christian democratic political party (Kresťanská únia in Slovak)Christian Union (denomination), an evangelical Christian denomination in the mid-western U.S.Christian Union, a defunct American magazine published in New York from 1870 to 1893 before being renamed The OutlookChristian unions (student groups), Christian student group at universities or colleges reference