Against the Galileans (Ancient Greek: Κατὰ Γαλιλαίων; Latin: Contra Galilaeos), meaning Christians, was a Greek polemical essay written by the Roman emperor Julian, commonly known as Julian the Apostate, during his short reign (361–363). Despite having been originally written in Greek, it is better known under its Latin name, probably due to its extensive reference in the polemical response Contra Julianum by Cyril of Alexandria.