Marcellinus

Marcellinus may refer to:

Ancient

 * Marcellinus (consul 275), Roman imperial official
 * Marcellinus (magister officiorum) (died 351), officer of Emperor Constans and of usurper Magnentius
 * Marcellinus (magister militum) (died 468), a Roman general in the invasion of Africa against Geiseric
 * Marcellinus (writer), author of a Life of Thucydides, 6th century
 * Marcus Egnatius Marcellinus, a senator of Imperial Rome, Consul Suffectus in 116
 * Marcellinus and Peter (died 304), two Christian martyrs
 * Pope Marcellinus (died 304), third century pope
 * Ammianus Marcellinus (c. 330–c. 400), Roman historian
 * Narcissus, Argeus, and Marcellinus (died 320), martyrs at Tomi
 * Marcellinus of Gaul (died 374), saint and evangelist
 * Marcellinus of Carthage (died 413), saint and martyr
 * Marcellinus Comes (Count Marcellinus, died 534), 6th-century chronicler

Modern

 * Marcellinus Champagnat (1789–1840), priest and saint, founder of the Marist Brothers
 * Marcellinus of Civezza (1822–1906), Italian Franciscan author