Look up mother tongue in Wiktionary, the free dictionary.
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
- Mother Tongue (film), a 1993 film featuring Craig Parker
- Mother Tongue Publishing, a Canadian publisher