Tumtum or Tum Tum may refer to:
Tumtum language, a Kadu language spoken in Kordofan
Tumtum (Judaism), a Talmudic gender concept for certain intersex people
Tumtum Tree, a fictional tree mentioned in the poem "Jabberwocky" by Lewis Carroll
Tumtum and Nutmeg, the first of a series of children's books by author Emily Bearn
Thristan Mendoza (born 1989), a Filipino marimba prodigy
Lourawls Nairn Jr. (born 1994), a Bahamian basketball player
SS Tum Tum, a Canadian steamship
Tum Tum, a boy ninja character from the 3 Ninjas film series
