In Greek mythology, the name Coeranus or Koiranos (Ancient Greek: Κοίρανος "ruler, commander") may refer to:
Coeranus, an Argive son of Abas, grandson of Melampus, and father of the seer Polyeidos. Alternately, was called son of Cleitus.
Coeranus, son of Polyeidos (thus grandson of the precedent), brother of Manto and Astycrateia. His own son Euchenor dedicated an image of Dionysus Dasyllius to the god at Megara.
Coeranus, a Lycian soldier, son of Iphitus, who followed their leader, Sarpedon, to fight in the Trojan War. He was slain by the Greek hero Odysseus during the siege of Troy.
Coeranus, a native of Lyctus in Crete, charioteer and squire of Meriones. He was slain by Hector.