Valerius was a Roman nomen of the gens Valerii, one of the oldest families of the city. The name was in use throughout Roman history.
- Publius Valerius Poplicola, consul 509 BC
- M. Valerius Volusi f. (Volusus?), consul 505 BC
- L. Valerius M.f. Potitus (Publicola), consul 483 BC, 470 BC
- Publius Valerius P.f. Poplicola, consul 475 BC, 460 BC
- M. Valerius M'. f. Maximus Lactuca, consul 456 BC
- Lucius Valerius Potitus, consul 449 BC
- C. Valerius Potitus, consular tribune 415 BC
- L. Valerius Potitus, consular tribune 414 BC
- C. Valerius L.f. Potitus Volusus, consul 410 BC
- L. Valerius L.f. Potitus, consul 393 BC-390 BC(?)
- L. Valerius Publicola, consular tribune 388 BC
- T. Valerius, consular tribune 385 BC-382 BC
- L. Valerius, 379 BC
- P. Valerius, 379 BC, 376 BC
- C. Valerius, 374 BC
- M. Valerius L.f. Poplicola, consul 355 BC, 353 BC
- P. Valerius P.f. Poplicola, 352 BC
- Marcus Valerius Corvus, consul several times in 4th century BC
- C. Valerius L.f. Potitus (Flacus), consul 331 BC
- M. Valerius M.f. Maximus Corvinus (Corrinus?), consul 312 BC, 289 BC
- M. Valerius Maximus (Potitus?), consul 286 BC
- P. Valerius Laevinus, consul 281 BC
- Publius Valerius Laevinus, consul 281 BC
- Manius Valerius Maximus Corvinus Messalla, consul 263 BC
- Q. Valerius Q.f. Falto, consul 239 BC
- Pub. Valerius Q.f. Falto, consul 238 BC
- Publius Valerius L.f. Flaccus, consul 227 BC
- M. Valerius M'.f. Maximus Messala, consul 226 BC
- M. Valerius P.f. Laevinus, consul 221 BC, 210 BC
- M. Valerius M.f. Messalla, consul 188 BC
- C. Valerius M.f. Laevinus, suffect consul 176 BC
- M. Valerius Messalla, consul 166 BC
- Gaius Valerius Flaccus, consul 93 BC
- Valerius Aedituus, poet ca 100s BC
- Valerius Antias, annalist 1st century BC
- Quintus Valerius Soranus, plebeian tribune 82 BC
- Lucius Valerius Flaccus, several notable persons
- Marcus Valerius Messalla Niger, consul 61 BC
- Marcus Valerius Messalla Rufus, consul 53 BC
- Marcus Valerius Messalla Corvinus, consul 31 BC
- Publis Valerius Cato, scholar, poet 1st century BC
- Valerius Messala Barbatus, married Antonia Major (consul 12 BC?)
- Marcus Valerius Messalla Messallinus, consul 3 BC
- Valerius Maximus, historian 1st century AD
- Lucius Valerius Messalla Volesus, possible consul 5 AD
- Marcus Valerius Messalla, consul 20 AD
- Decimus Valerius Asiaticus, consul in 35 and 46
- Marcus Valerius Martialis (Martial), poet 1st century AD
- Marcus Valerius Messalla Corvinus, consul 58
- Gaius Calpetanus Rantius Quirinalis Valerius Festus, suffect consul 71
- Gaius Valerius Flaccus, poet 1st century AD
- Lucius Valerius Licinianus, advocate 1st century AD
- Valerius Probus, grammarian 1st century AD
- M. Valerius Bradua Mauricus, consul 191
- L. Valerius Messalla Thrasea Priscus, consul 196
- L. Valerius Messalla Apollinaris, consul 214
- P. Valerius Comazon Eutychianus, consul 220
- L. Valerius Maximus, consul 233
- Valerius Maximus, consul 253
- L. Valerius Maximus, consul 256
- Imp. Caesar M. Aurelius Valerius Claudius Augustus (Claudius II), emperor
- Imp. Caesar C. Aurelius Valerius Diocletianus Augustus (Diocletian), emperor
- Imp. Caesar M. Aurelius Valerius Maximianus Augustus (Maximian), emperor
- C. Galerius Valerius Maximianus Caesar (Galerius), emperor
- Flauius Valerius Constantinus Caesar (Constantius Chlorus), emperor
- Flavius Valerius Severus, short-lived emperor ca. 306
- Marcus Aurelius Valerius Maxentius (Maxentius), emperor 306-312
- M. Valerius Romulus, consul 309
- Flavius Julius Valerius Crispus (Crispus)
- Flavius Galerius Valerius Licinianus Licinius (Licinius), emperor
- Imp. Caesar Flauius Valerius Constantinus Augustus (Constantine I), emperor
- Imp. Caesar Galerius Valerius Maximinus Augustus (Maximinus), emperor
- Julius Valerius Alexander Polemius, scholar 4th century
- Julius Valerius Majorianus (Majorian), emperor 457-461
