Posyet (Russian: Посье́т) is an urban locality (an urban-type settlement) in Khasansky District of Primorsky Krai, Russia, and an ice-free port on the Possiet Bay.

Largest enterprise JSC Commercial port of Posyet is owned by Mechel.

It is in possession of three 450-meter (1,480 ft) mooring lines of gravitational type.

Posyet has a monsoonal humid continental climate (Köppen Dwb, close to Dwa) with warm-hot, humid and stormy summers and cold, dry winters with little snowfall.

Both winters and summers in Posyet are one of the warmest in whole Russian Far East.