Porcia may refer to:

• Porcia (sister of Cato the Younger) (before 95 BC - 46 BC), sister of Marcus Porcius Cato Uticensis
• Porcia Catonis (70 BC - 43 BC/42 BC), daughter of Marcus Porcius Cato Uticensis, and wife of Marcus Junius Brutus
• Lex Porcia a Roman law
• Porcia, Italy, a commune in Friuli-Venezia Giulia region

See also

• Porcius
• Porcius/Porcia (name)
• Portia
• Porche

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