Mary Washington

• Mary L. Washington, Maryland legislator
• Mary [Ball Washington], mother of U.S. President George Washington
• * University of Mary Washington, Fredericksburg, Virginia, named after Mary Ball Washington
• Mary Helen Washington, American literary scholar
• Mary T. Washington, first African-American woman to be a certified public accountant in the United States
• Mary Burke Washington, American economist
• Mary Parks Washington, American artist, arts advocate, and art educator