Martha Susan McEntire-Eaton (formerly Luchsinger, née McEntire; born November 8, 1957) is an American contemporary Christian music singer.
In 1993, she released her album Real Love, scoring several hits on Christian country radio.
McEntire married rodeo cowboy Paul Luchsinger (died May 12, 2015) on November 27, 1981, whom she divorced on May 19, 2008.
On December 12, 2009, she remarried, to American theologian, climber and public speaker Mark Eaton, of Seattle, Washington.
She holds many awards in the field of Positive Country and as co-host of the Cowboy Church TV show.