Mary Peters

Mary Peters may refer to:


 * Mary Peters (athlete) (born 1939), Northern Irish athlete
 * Mary Peters (hymn writer) (1813–1856), British hymn writer
 * Mary Peters (1852–1921), indigenous Oregon woman and ferry operator
 * Mary E. Peters (born 1948), American politician, 15th United States Secretary of Transportation
 * Mary Peters Fieser (1909–1997), née Mary Peters, American chemist
 * Mary Ann Peters (born 1951), American ambassador to Bangladesh
 * Mary Ann Peters (artist) (born 1949), American artist