The
nomen (plural
nomina) was the Roman gens (that is clan) name. In the typical
Roman name it was preceded by the
praenomen and followed by the
cognomen.
Some examples of nomina are listed in the following table.
| Nomen | Example |
| Aelius | emperor Publius Aelius Traianus Hadrianus (Hadrian) |
| Aemilius | general Lucius Aemilius Paullus Macedonicus |
| Antonius | general Marcus Antonius (Mark Antony) |
| Claudius | emperor Tiberius Claudius Drusus Nero Germanicus (Claudius) |
| Cornelius | general Publius Cornelius Scipio Africanus Major |
| Galerius | emperor Gaius Galerius Valerius Maximianus (Galerius) |
| Fabius | dictator Quintus Fabius Maximus Verrucosus |
| Flavius | emperor Titus Flavius Vespasianus (Vespasian) |
| Julius | dictator Gaius Julius Caesar |
| Livius | tribune Marcus Livius Drusus |
| Ulpius | emperor Marcus Ulpius Nerva Traianus (Trajan) |
| Valerius | poet Gaius Valerius Flaccus |
| Vergilius | poet Publius Vergilius Maro (Vergil) |