Solnechnogorsk (Russian: Солнечного́рск) is a town in Moscow Oblast, Russia, an administrative center of Solnechnogorsky District. It is situated on the Moscow-Saint Petersburg highway, on the coast of the Senezh lake 65 km from Moscow. Population—57,600 (2002).

It received a town status and was renamed Solnechnogorsk in 1938.

Metal constructions factory, glass-works, sports fishing business, holiday homes, sports centers, children summer camps, ski lodges.

There is a museum of local lore in the town. Not far from Solnechnogorsk an estate of Shakhmatovo is situated. This estate belongs to Russian poet Alexander Blok; now a museum for this poet is opened there.