Peace of Nisibis may refer to the following treaties signed in Nisibis (modern Nusaybin, Turkey):
Peace of Nisibis (299), between the Roman Empire and the Sasanian Empire, ended the Roman-Sassanian War of 296–299 Peace of Nisibis (363), between the Roman Empire and the Sasanian Empire, ended the Perso-Roman War of 363
See also List of Byzantine foreign treaties List of treaties