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
*Marina Orsini (born 1967), Canadian actress
*Nicolás Orsini