Izabelin [izaˈbɛlin] is a settlement in the administrative district of Gmina Juchnowiec Kościelny, within Białystok County, Podlaskie Voivodeship, in north-eastern Poland.

Izabelin is an informal name collectively referring to two neighboring villages, Izabelina B and Izabelina C, located in the Mazovian Voivodeship, in the western part of Warsaw County, at the eastern edge of the Kampinos Forest, in the Izabelin commune (Izabelina C is the commune's seat). The headquarters of the Kampinos National Park is located here. The villages have a recreational-residential character.

From 1975 to 1998, the villages were administratively part of the Warsaw Voivodeship.