Eucherius may refer to:
Eucherius of Lyon (c. 380–c. 449), Archbishop of Lyon and Catholic and Eastern Orthodox saint Eucherius of Orléans (c. 687–743), Bishop of Orléans and saint Eucherius (son of Stilicho) (c. 388–c. 408), son of Stilicho, the magister militum of the Western Roman Empire
See also Eucharius, bishop of Trier