Euphrosyne usually refers to a Greek goddess, and is a Greek female name; Phroso or Froso is its more common derivative.

Euphrosyne may also refer to:

People

Saints

Euphrosyne of Alexandria (), early Christian monastic and saint Euphrosyne of Polotsk (1110–1173), Belarusian Orthodox nun and saint Euphrosyne of Moscow (died 1407), Grand Duchess of Muscovy and Russian Orthodox saint Euphrosyne of Serbia (–1405), also known as Princess Milica; Queen Regent of Serbia, Serbian Orthodox abbess and saint

Royalty

Euphrosyne Angelina (died 1253 or 1288), daughter of Byzantine emperor Isaac II Angelus Euphrosyne Kastamonitissa, 12th-century Byzantine noblewoman Euphrosyne Palaiologina (daughter of Michael VIII), illegitimate daughter of Emperor Michael VIII Palaiologos and wife to Mongol general Nogai Khan Euphrosyne (daughter of Mieszko IV Tanglefoot), 13th-century Polish princess Euphrosyne of Greater Poland (1247/50–1298), Polish princess Euphrosyne of Masovia (1292–1328/1329), Polish duchess Maria Euphrosyne of Zweibrücken (1625–1687), Swedish countess palatine Euphrosyne Yaroslavna, 12th-century Slavic princess

Royal partners and concubines Euphrosyne (9th century) (–after 836), Byzantine Empress Euphrosyne of Opole (died 1292), wife of Casimir I of Kuyavia, and later of Mestwin II, Duke of Pomerania Euphrosyne Doukaina Kamatera (1155–1211), Byzantine empress Euphrosyne of Kiev (), wife of king Géza II of Hungary Euphrosyne of Bulgaria (died before 1308), first wife of tzar Theodore Svetoslav of Bulgaria Afrosinya (1700–1748), mistress of the son of Peter the Great of Russia

Artists Euphrosyne Doxiadis (born 1946), Greek art historian Euphrosyne Löf (1772–1828), Swedish actor Eufrosyne Abrahamson (1836–1869), Swedish soprano Euphrosyne Parepa-Rosa (1836–1874), Scottish soprano Julia Nyberg (1784–1854), Swedish poet who used the pen name of "Euphrosyne"

Politicians

Eufrosina Cruz (born 1979), Mexican activist and politician

Other uses

31 Euphrosyne, one of the largest main belt asteroids Boloria euphrosyne, the pearl-bordered fritillary butterfly Euphrosyne (plant), a genus of flowering plants Euphrosine, 1790 opera by Étienne Méhul Euphrosine (annelid), a genus of Polychaete marine worms (with alternative spellings in literature)

See also Eufrozyna