Mary Holland (born 1985) is an American actress and comedian.
Mary Holland may also refer to:
Mary Holland (activist) (before 1900–after 1940), Irish anti-treaty supporter Mary Holland (journalist) (1935–2004), Irish journalist Mary Holland, English actress, played "Katie" in many Oxo commercials (1958–76) Mary A. Gardner Holland (before 1840–after 1898), Union nurse during the American Civil War Mary E. Holland (1868–1915), American detective and fingerprint expert Mary Jane Holland (c. 1840–after 1858), first love of George Armstrong Custer "Mary Jane Holland" (song), song by Lady Gaga from her 2013 album Artpop
See also Maria Elizabeth Holland (1836–1878), South African botanical artist and plant collector Mary Fox, Baroness Holland (1746–1778), British baroness Mary Holland Kinkaid (1861–1948), American novelist and journalist