Lucius Cassius Longinus may refer to:
Romans Lucius Cassius Longinus (consul 30) Lucius Cassius Longinus (proconsul 48 BC) Lucius Cassius Longinus (praetor 66 BC), and part of the Second Catilinarian conspiracy Lucius Cassius Longinus (tribune 105 BC) Lucius Cassius Longinus (consul 107 BC) Lucius Cassius Longinus Ravilla, a Roman consul in 127 BC
See also Cassius Longinus (disambiguation)