Ummidius

Ummidius is a Roman nomen gentilicium. Notable people with the name include:


 * Gaius Ummidius Actius Anicetus, Roman pantomime actor
 * Gaius Ummidius Durmius Quadratus (c. 12 BC – c. 60 AD), Roman senator
 * Gaius Ummidius Quadratus, Roman consul
 * Gaius Ummidius Quadratus Sertorius Severus, Roman senator
 * Marcus Ummidius Quadratus Annianus (138–182), Roman Senator