Novozavidovsky is an urban township (from 1926) in the Konakovo District of the Tver Region of Russia.

Its population makes 7093 people (as of 2014).

Novozavidovsky stands on the boundary of the Zavidovo conservancy area, next to the Shoshinsky Reach of the Ivankovskoye Reservoir, 49 km to the southeast of Tver.

It has the Zavidovo railway station on the line Moscow — St. Petersburg.

It was first recorded as a railway station in the course of construction of the Nikolaev Railroad; in 1856 the Popov’s Weaving Mill was founded there. From 1929 the settlement was the center of the Zavidovo District of the Moscow Region (till 1935) and then of the Kalinin Region (till 1960).

During the Great Patriotic War the settlement was shortly occupied by the German troops. The Zavidovo Distict of the Kalinin Region was under control of the Nazis from November 17 to December 15, 1941. A big hospital for wounded Red Army soldiers was founded in Novozavidovsky right after the release of the settlement.

It got the status of an urban township in 1926.