Cassius Longinus may refer to:

In descending chronological order:

• Cassius Longinus, end of 2nd century, beginning of 3rd century, historian only known through FGrHist 259.
• Cassius Longinus (philosopher) (213 – 273 AD), a Greek rhetorician and philosopher
• Gaius Cassius Longinus (consul 30) (fl. 30–41 AD), a Roman jurist and great grandson or nephew of Gaius Cassius Longinus, who committed tyrannicide
• Longinus, also called Cassius in some traditions, a name in Christian tradition for the Roman soldier who allegedly pierced the side of Jesus on the cross
• Gaius Cassius Longinus (c. 86 – 42 BC), usually known as Cassius, a Roman senator and one of Julius Caesar's assassins in 44 BC
• Quintus Cassius Longinus, a tribune in 49 BC and supporter of Julius Caesar
• Lucius Cassius Longinus (praetor 66 BC), and part of the Second Catilinarian conspiracy
• Gaius Cassius Longinus (consul 73 BC)
• Gaius Cassius Longinus (consul 96 BC)
• Lucius Cassius Longinus (consul 107 BC)
• Gaius Cassius Longinus (consul 124 BC)
• Lucius Cassius Longinus Ravilla, consul 127 BC
• Gaius Cassius Longinus (consul 171 BC)

• Cassia gens
• Longinus (disambiguation)
• Casca Rufio Longinus, a character from Casca (series), based on Saint Longinus
• Cassius (disambiguation)

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