Lex Cassia

lex Cassia may refer to:


 * lex Cassia tabellaria (137 BC) – introduced secret votes in court jury decisions
 * lex Cassia de senatu (104 BC) –  required any senator to be expelled from the senate if they had been convicted of a crime, or if their power (imperium) had been revoked while serving as a magistrate
 * lex Cassia (44 BC?) – allowed Julius Caesar to add new individuals to the patrician (aristocratic) class
 * lex Cassia Terentia frumentaria (73 BC) – required the distribution of corn among the poor citizens