Krasny Sulin (Russian: Кра́сный Сули́н) is a town and the administrative center of Krasnosulinsky District in Rostov Oblast, Russia, located in the Donets Basin region.

Population: 40,866 (2010 Census);[2] 44,187 (2002 Census);[6] 43,133 (1989 Soviet census).

[7] Within the framework of administrative divisions, Krasny Sulin serves as the administrative center of Krasnosulinsky District.

[1] As an administrative division, it is incorporated within Krasnosulinsky District as Krasnosulinskoye Urban Settlement.

[1] As a municipal division, this administrative unit also has urban settlement status and is a part of Krasnosulinsky Municipal District.