Saydy (; , Saydññ) is a rural locality (a selo), and one of two settlements in the Ynginsky Rural Okrug of the omponsky District in the Sakha Republic, Russia, along with Novy, the administrative center of the Rural Okrug. It is located from Khandyga, the administrative center of the district and from Novyy. Its population as of the 2002 Census was 177.