Mary Spencer (disambiguation)
Mary Spencer (born 1984) is a Canadian boxer. Mary Spencer may also refer to:
- Mary C. Spencer (1842–1923), American librarian
- Mary Spencer Nay (1913–1993), American painter and printmaker
- Mary Spencer (photographer) (1857–1938), Canadian photographer
- Mary Spencer Watson (1913–2006), English sculptor
Fictional characters[edit]
- Mary Spencer, in the Japanese anime series Trinity Blood