Asinius is the nomen of the plebian Gens Asinia of ancient Rome. Local tradition holds that the Italian town of Assignano derives its name from the gens, as well as the French town of Assignan.
- Gaius Asinius Pollio (consul 40 BC), orator, poet, historian, consul 40 BC
- Gaius Asinius Gallus Saloninus, consul 8 BC, died 30, father of ... Asinius Celer
- Gaius Asinius Pollio (consul AD 23), consul 23
- Marcus Asinius Agrippa, consul 25, died 26 - see also Vipsania Agrippina
- Marcus Asinius Marcellus, consul 54 - see Vipsania Agrippina
- Lucius Asinius Pollio Verrucosus, consul 81
- Marcus Asinius Atratinus, consul 89
- Gaius Asinius Frugi, monet. of Phrygia between 98 and 116
- Marcus Asinius Marcellus, the Younger, consul 104 - son of Marcus Asinius Marcellus - See Vipsania Agrippina
- Gaius Asinius Rufus, notable in Lydia 134/135, senator 136 - probably the son of Gaius Asinius Frugi
- Gaius Asinius Quadratus Protimus, proconsul of Achaea ca. 211 or 220 - son of the above
- Gaius Asinius Quadratus, historian of 3rd century - nephew of Gaius Asinius Quadratus Protimus