Rybachy (Russian: Рыба́чий, from Рыба́к, "Fisherman"), before 1946 known as Rossitten in East Prussia (Lithuanian: Rasytė), is a rural settlement in Zelenogradsky District of Kaliningrad Oblast, Russia, located on the Curonian Spit. It was formerly known for the Rossitten Bird Observatory and the Rossitten gliding school.