Eva LaRue Callahan, in a still from All My Children.

Eva LaRue Callahan (born Eva Maria LaRuy on December 27, 1966 in Long Beach, California) is an American actress. She played Dr. Maria Santos Grey on All My Children from 1993 to 1997 and again since 2002.

Once married to John O'Hurley, she is now married to John Callahan, a fellow actor who plays her husband "Edmund Grey" on All My Children. They are now in the process of separation. The couple lives part-time in La Quinta, California and commute to ABC's New York studios for taping.