Joan \joan\ as a girl's name is pronounced jone. It is of Hebrew origin, and the meaning of Joan is "God is gracious". Medieval feminine version of John. Joan of Arc, the Maid of Orleans, is portrayed as a national and political hero, as well as a religious heroine. She was canonized in 1920. The name was neglected for Jane by the 17th century. See also Joanna and Siobhan. Actresses Joan Crawford, Joan Collins; singer Joan Baez; comedienne Joan Rivers; musician Joni Mitchell; marathon runner Joan Benoit.