Orsini is a surname of Italian origin, originally derived from Latin ursinus ("bearlike") and originating as an epithet or sobriquet describing the name-bearer's purported strength. Notable people with the surname include the following:

Alessandro Orsini (sociologist) Italian sociologist
Angel Orsini, American wrestler and bodybuilder
Felice Orsini (1819–1858), Italian revolutionary who attempted to assassinate Napoléon III
Francesca Orsini, Italian scholar of South Asian literature
Giambattista Orsini (d. 1503), Italian Catholic Cardinal instrumental in the 1492 Papal Conclave
Marina Orsini (born 1967), Canadian actress
Nicolás Orsini (born 1994), Argentine footballer
Richard Orsini, 13th-century ruler in Italy and the Balkans
Umberto Orsini (born 1934), Italian stage, television, and film actor
Valentino Orsini (1927–2001), Italian film director

Orsini family, Italian noble family, including:
- Alessandro Orsini (cardinal) (1592–1626), cardinal
- Clarice Orsini (1453–1488), wife of Lorenzo de' Medici, Lady Of Florence, mother of Pope Leo X
- Fulvio Orsini (1529–1600), Italian historian
- Giordano Orsini (died 1438) (died 1438), 15th-century Italian cardinal
- Giordano Orsini (died 1173) (died 1173), Catholic prelate
- Giorgio Orsini (1410–1475), architect and sculptor
- Pope Nicholas III, born Giovanni Gaetano Orsini
- Giovanni Gaetano Orsini (cardinal) (c.1285–1335), nephew of Pope Nicholas III
- John II Orsini (died 1335), known as the Despot of Epirus
- Latino Orsini (1411–1477), Catholic cardinal
- Latino Malabranca Orsini (d. 1294), Catholic prelate
- Matteo Orsini (d. 1340), Catholic prelate
- Napoleone Orsini (1420–1480), condottiero and papal commander
- Paolo Orsini (1369-1416), condottiero
- Paolo Orsini (1450-1503), condottiero
- Paolo Giordano I Orsini (1541–1585), first duke of Bracciano
- Paolo Giordano II Orsini (1591–1656), nobleman
- Pope Benedict XIII, born Pietro Francisco Orsini
- Rinaldo Orsini (d. 1450), Lord of Piombino
- Virginio Orsini (1434–1497), Lord of Bracciano

v t e Family names derived from the word "bear"
Germanic	North Germanic: Bjorn, Bjornson West Germanic: Baer, Bähr, Bär, Bear, Beer, Beers, Behr, De Beer, Behr, Berson
Romance	Iberian: Urso Italian: D'Urso, Orso, Orsi, Orsino, Orsini, Ourso
Slavic	Slavic: Medved, Medvedchuk, Medvedev, Medvedko, Niedźwiedź, Nedvěd, Vedmid
Other	Baltic: Lācis Basque: Hartz Estonian: Karu Finnish: Karhu Hungarian: Medve, Medveczky (borrowed from Slavic)

This page lists people with the surname Orsini.
If an internal link intending to refer to a specific person led you to this page, you may wish to change that link by adding the person's given name(s) to the link.

See also