The Vatican Terence (Terentius Vaticanus), or Codex Vaticanus Latinus 3868, is a 9th-century illuminated manuscript of the Latin comedies of Publius Terentius Afer, housed in the Vatican Library. According to art-historical analysis the manuscript was copied from a model of the 3rd century. The manuscript is referred to in the apparatus criticus of modern editions as "C".