Mother tongue usually refers to the language that a person learned as a child at home or a person's first language

Mother tongue may also refer to:

Mother tongue, or language, a proto-language in historical linguistics Proto-Human language, the hypothetical most recent common ancestor of all the world's languages The Mother Tongue, a history of the English language by Bill Bryson Mother Tongue (journal), a periodical published by the Association for the Study of Languages in Prehistory Mothertongue (2025 film), a Chinese drama film Mother Tongue Publishing, a Canadian publisher

Music Mothertongue (album), 2008 album by Nico Muhly Mother Tongue, an American rock band co-founded by guitarist Jesse Tobias "Mother Tongue" (Bring Me the Horizon song), a song by Bring Me the Horizon from Amo "Mother Tongue", a song by Dead Can Dance from The Serpent's Egg

See also Mother-in-law's tongue, Dracaena trifasciata, a species of flowering plant Father Tongue hypothesis Native Tongue (disambiguation)