Siege of Nisibis

Siege of Nisibis may refer to:
 * Siege of Nisibis (194)
 * Siege of Nisibis (235)
 * Siege of Nisibis (252) by the Sassanids under Shapur I
 * Siege of Nisibis (338) by the Sassanids under Shapur II
 * Siege of Nisibis (346) by the Sassanids under Shapur II
 * Siege of Nisibis (350) by the Sassanids under Shapur II
 * Siege of Nisibis (573)