Pompeia, fl. 61 B.C., Roman matron, wife of Julius Caesar, daughter of Quintus Pompeius Rufus and granddaughter of Sulla. She married Caesar in 67 B.C. and was divorced in 61 B.C., because of an intrigue with Clodius while celebrating the mysteries of Bona Dea.

The name Pompeia may refer to:

• Pompeia, was the daughter of Quintus Pompeius consul 141 BC, who married a certain Gaius Sicinius
• Pompeia (sister of Pompeius Strabo), sister of General and Consul Gnaeus Pompeius Strabo, who was the father to Pompey
• Pompeia (sister of triumvir Pompey), sister of Pompey and daughter of General and Consul Gnaeus Pompeius Strabo
• Pompeia, the wife of Publius Vatinius, a tribune in 59 BC
• Pompeia (wife of Julius Caesar), the second wife of Julius Caesar
• Pompeia Magna, the daughter of Pompey by his third wife Mucia Tertia
• Pompeia Magna (daughter of Sextus Pompeius), daughter of political rebel Sextus Pompeius and Scribonia
• Cornelia Pompeia Magna or Pompeia Magna Minor (the younger), daughter of consul Lucius Cornelius Cinna by his wife, the elder Pompeia Magna
• Pompeia Macrina, a woman exiled by the Roman Emperor Tiberius in 33
• Pompeia Paulina, wife of Seneca the Younger
• Pompeia Plotina Claudia Phoebe Piso, the wife of Roman Emperor Trajan
• Pompeia Macrina, one of the mothers-in-law of Roman historian and Senator Pliny the Younger

Pompeia may also refer to:

• Pompéia, a municipality/county in the state of São Paulo, Brazil
• Raul Pompéia (1863-1895), a Brazilian writer