Rety is a commune in the Pas-de-Calais department in the Nord-Pas-de-Calais region of France.
Rety is a farming and light industrial village comprising 15 hamlets and Rety itself. It is situated some 9 miles (14 km) northeast of Boulogne, at the junction of the D232, D243 and D127 roads, by the banks of the river Slack.