The Procopii (Procopius or Procopia in singular male/female) were a family of Ancient Rome. Among the bearers of the name (not all of which were actually related to the clan) are:
- Procopius (usurper) (c.325-366), nephew of Emperor Constantine I, a Roman general and usurper emperor
- Procopius, magister militum, father of Emperor Procopius Anthemius
- Procopius Anthemius (c.420-472), a Western Roman Emperor;
- Anthemiolus, son of Procopius Anthemius, Roman general;
- Marcian, son of Procopius Anthemius, usurper;
- Procopius Anthemius, son of Procopius Anthemius, Consul;
- Romulus, son of Procopius Anthemius;
- Alypia, daughter of Procopius Anthemius, wife of Ricimer.
Other people bearing the name "Procopius":
- Procopius of Gaza (c.465-528), a Christian rhetorician
- Procopius of Caesarea (c.500-c.565), an Eastern Roman historian and writer
- Procopia (9th century), the daughter of Nicephorus I and wife of Michael I Rhangabes