Marsha Johnson "Marty" Evans is a retired rear admiral in the United States Navy. Following her retirement from the Navy, she served as executive director of the Girl Scouts of the USA from 1998 to 2002, and president and CEO of the American Red Cross from 2002 to 2005.

Girl Scouts of the United States of America (GSUSA), commonly referred to as simply Girl Scouts, is a youth organization for girls in the United States and American girls living abroad. It was founded by Juliette Gordon Low in 1912, a year after she had met Robert Baden-Powell, the founder of Scouting.