Mary Holland (disambiguation)
Mary Holland is an American actress and comedian.
Mary Holland may also refer to:
- Mary Holland (activist), Irish anti-treaty supporter
- Mary Holland (journalist), Irish journalist
- Mary Holland, English actress, played "Katie" in many Oxo commercials
- Mary A. Gardner Holland, Union nurse during the American Civil War
- Mary E. Holland, American detective and fingerprint expert
- Mary Jane Holland, first love of George Armstrong Custer
- "Mary Jane Holland" (song), song by Lady Gaga from her 2013 album ''Artpop''