Eulogius can refer to:
Saint Eulogius, a deacon martyred with Saint Fructuosus Eulogius, an early bishop of Amiens Saint Eulogius of Edessa, a bishop of Edessa (late 4th century AD) Saint Eulogius of Alexandria (607 AD) Saint Eulogius of Córdoba, priest and martyr (859 AD) Saint Eulogius of Salosi, Georgia, (Eulogius the Prophet), Fool-for-Christ (12th–13th century), feast April 1 Eulogius Schneider (1756–1794) Eulogius (Georgiyevsky) (1868–1946)