Sužionys is a village in Vilnius District Municipality, Lithuania, it is located only about 23 kilometres (14 mi) north of Vilnius city municipality.

Environs of Sužionys were inhabited from the 1st millennium BC.

Sužionys Hillfort [lt] with archaeological remains of an ancient settlement is situated near the village.

Sužionys itself was mentioned for the first times in written sources in 1554.

A modest neoclassical church, that is now standing, was built in 1795.