Athenais

Athenais or Athenaïs is a given name which may refer to:


 * Athenais (seer), 4th century BC prophetess who told Alexander the Great of his allegedly divine descent
 * Athenais Philostorgos I, Queen of Cappadocia
 * Athenais Philostorgos II, princess from the Kingdom of Pontus and through marriage a Roman client Queen of Cappadocia
 * Athenais of Media Atropatene, princess from the Kingdom of Commagene and wife of Artavasdes I of Media Atropatene
 * Athenais (daughter of Herodes Atticus) (141–161), noblewoman who lived in the Roman Empire
 * Athenais (great-granddaughter of Herodes Atticus), Roman noblewoman who lived between the second half of the 2nd century and first half of the 3rd century
 * Aelia Eudocia (c. 401–460), birth name Athenais, wife of East Roman Emperor Theodosius II
 * Françoise-Athénaïs, marquise de Montespan (1641–1707), better known as Madame de Montespan, chief mistress of King Louis XIV of France