Segni is a town in the Lepini Mountains in the province of Rome, Italy.

Segni may also refer to:

People Saint Bruno (bishop of Segni) (c.1047–1123), bishop of Segni and abbot of Montecassino Lotario de' Conti di Segni (1160/1–1216)), Pope Innocent III Segni (surname), Italian surname

Other uses Bishop of Segni Conti di Segni, a noble family of Italy Segni (tribe), an ancient Belgian tribe reported by Julius Caesar Segni Pact, an Italian political party that formed around politician Mario Segni

See also Conti, a surname, listing the Conti di Segni family