Siysky Zakaznik (Russian: Сийский заказник) is a federal zakaznik, a nature protected area, in the north of Russia, located in Kholmogorsky District of Arkhangelsk Oblast, north-west of the selo of Yemetsk. It was established in 1963 and transferred to the federal jurisdiction (thereby becoming a federal zakaznik) December 30, 1988. The zakaznik is created to protect flora and fauna (in particular, rare species) of the pine-tree forest environment.