Ammonius

Ammonius is a masculine given name which may refer to:


 * Ammonius Lithotomos (3rd century BC), Alexandrian Greek lithotomist
 * Ammonius of Athens (1st century AD), philosopher and teacher of Plutarch
 * Ammonius Saccas (3rd century AD), Alexandrian Neoplatonist philosopher and teacher of Plotinus
 * Ammonius of Alexandria (Christian philosopher) (3rd century AD), Christian writer confused with Ammonius Saccas
 * Ammonius the Hermit, called Saint Amun, 4th century abbot and desert father
 * Ammonius Grammaticus (fl. 389), Egyptian priest from Alexandria, supposed author of a grammatical treatise
 * Ammonius Hermiae (5th century AD), Alexandrian philosopher
 * Ammonius (Alexandrian monk) (c. 5th century AD)