The name Herennius may refer to:

  • Herennius Pontius (fl. c. 340 BC), Samnite statesman, father of Gaius Pontius
  • Marcus Herennius (consul 93 BC)
  • Gaius Herennius (otherwise unknown), addressee of the book Rhetorica ad Herennium
  • Marcus Herennius Picens (consul 34 BC)
  • Herennius Senecio (died c. 90), Roman writer, biographer of Helvidius Priscus
  • Herennius Philo, also known as Philo of Byblos (c. 64–141), scholar
  • Lucius Herennius Saturninus, suffect consul in AD 100
  • Publius Herennius Dexippus (c. 210–273), the Greek historian most often known as Dexippus
  • Herennius (fl. c. 240), a Neoplatonic philosopher; see Ammonius Saccas
  • Herennius Modestinus (fl. c. 250), Roman jurist
  • Herennius Etruscus (c. 227–251), Roman emperor

See also

  • Herennia Etruscilla, the mother of Herennius Etruscus
  • Herennia gens, all people who had the gentilicium Herennius in their name.