Pompeius, or Pompey (106 BC–48 BC), was a leading Roman general and statesman.
Pompeius may also refer to:
- Pompeia gens, a plebeian family of ancient Rome, with a list of notable people with the name, including:
- Pompeius (consul 501) (died 532), consul of the Eastern Roman Empire
- Pompeius (butterfly), a genus of skippers