Gaius Cassius Longinus (c. 86 BC – 3 October 42 BC) was a Roman senator and general who plotted to assassinate Julius Caesar on 15 March 44 BC.

Gaius Cassius Longinus may also refer to:

• Gaius Cassius Longinus (consul 171 BC), fought in the Third Macedonian War
• Gaius Cassius Longinus (consul 96 BC), mentioned by Cicero
• Gaius Cassius Longinus (consul 73 BC), passed the lex Terentia Cassia
• Gaius Cassius Longinus (consul 30), husband of Junia Lepida

• Cassius (disambiguation)
• Cassius Longinus (disambiguation)
• Longinus (disambiguation)

Topics referred to by the same term

This disambiguation page lists articles about people with the same name.
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