Monster Manual

 is an ambiguous term. It can refer to:
 * Monster Manual (1e)
 * Monster Manual II (1e)
 * Monstrous Compendium (2nd edition volumes and appendices)
 * Monstrous Manual (2nd edition collection of monsters)
 * Monster Manual (3e)
 * Monster Manual (3.5e)
 * Monster Manual II
 * Monster Manual III
 * Monster Manual IV
 * Monster Manual V
 * Monster Manual (4e)