Pacificus (disambiguation)

Pacificus is the name of multiple persons:
 * Pacificus of Verona (c. 776–844), a 9th-century Carolingian Italian religious leader
 * Pacificus (died 1234), a disciple of St. Francis of Assisi
 * Pacificus of San Severino (1653–1721), the seventeenth-century saint
 * Pacificus was a pen name of Alexander Hamilton (1755 or 1757–1804)