Nymphaion () can refer to:
Antiquity Nymphaeum, a type of monument in Antiquity Nymphaeum, the name of Aristotle's Macedonian school at Mieza Nymphaeum (Olympia), the name of a structure for distributing water from an aqueduct to the entire site of ancient Olympia Nymphaion (fire sanctuary), the name given to the sanctuary of the eternal fire in Illyria Nymphaion (cave), a cave where worshipers of Pan went.
Places Nymphaeum, alternate name of Daphne Mainomene, an ancient town on the Bosphorus Nymphaeum (Bithynia), a town on the Black Sea coast of ancient Bithynia Nymphaeum (Caria), an inland town of ancient Caria Nymphaeum (Cilicia), a town on the Mediterranean coast of ancient Cilicia Nymphaeum (Illyria), an ancient Greek colony in Illyria Nymphaion (Crimea), an ancient Greek colony in the Crimea Nymphaion (Ionia), an ancient Greek colony in western Anatolia Nymphaeum (Laconia), an ancient Greek town in Laconia Nymfaio, a village in Florina regional unit, Greece