Slonim is a Hasidic dynasty originating in the town of Slonim, which is now in Belarus. Today, there are two Slonimer factions. Slonim, based in Jerusalem, and the Slonim community in Bnei Brak. They are two distinct groups today, and have many differences between them.

Slonim is a town in Grodno Region, in western Belarus. It serves as the administrative center of Slonim District. It is located at the junction of the Shchara and Isa rivers, 143 km (89 mi) southeast of Grodno. As of 2024, it has a population of 48,907.