Glossa (γλῶσσα) is a Greek word meaning "tongue" or "language", used in several English words including gloss, glossary, glossitis, and others.

Glossa may also refer to:

  • Glossa (journal), a peer-reviewed academic journal of linguistics established as a successor to Lingua
  • Glossa, Skopelos, a village in the island of Skopelos in the Northern Sporades
  • Glossa Music, a Spanish record label
  • Glossa Ordinaria, a medieval scholarly Bible in which the text is surrounded by learned commentary
  • Possible misspelling of Glosa, a constructed language