Old Tongue or The Old Tongue may refer to:
- An ancient language
- An extinct language
Arts and entertainment
- Old Tongue (poem), by Jackie Kay
- Old Tongues, a 1994 Dutch film
- The fictional languages depicted as so named in these media franchises:
- A Song of Ice and Fire by George R. R. Martin
- The Wheel of Time by Robert Jordan and Brandon Sanderson
- Star Wars by George Lucas
See also
- List of languages by first written accounts
- Tongue (disambiguation)