| En Name: | Komsomolsky |
| Ru Name: | Комсомольский |
| Loc Lang1: | Erzya |
| Loc Lang2: | Moksha |
| Coordinates: | 54.4333°N 95°W |
| Map Label Position: | left |
| Federal Subject: | Republic of Mordovia |
| Adm District Jur: | Chamzinsky District |
| Adm Selsoviet Jur: | Komsomolsky Work Settlement |
| Adm Selsoviet Type: | Work Settlement |
| Adm Ctr Of: | Komsomolsky Work Settlement |
| Inhabloc Cat: | Urban-type settlement |
| Inhabloc Type: | Work settlement |
| Mun District Jur: | Chamzinsky Municipal District |
| Urban Settlement Jur: | Komsomolskoye Urban Settlement |
| Mun Admctr Of: | Komsomolskoye Urban Settlement |
| Pop 2010Census: | 13513 |
| Postal Codes: | 431720, 431722 |
| Komsomolsky population | |
| Label1: | 2010 Census |
| Data1: | 13,513 |
| Label2: | 2002 Census |
| Data2: | 14,230 |
| Label3: | 1989 Census |
| Data3: | 14,740 |
| Label4: | 1979 Census |
| Data4: | 13,232 |
Komsomolsky (Russian: Комсомо́льский) is an urban locality (a work settlement) in Chamzinsky District of the Republic of Mordovia, Russia. As of the 2010 Census, its population was 13,513.
Within the framework of administrative divisions, the work settlement of Komsomolsky is incorporated within Chamzinsky District as Komsomolsky Work Settlement (an administrative division of the district).[1] As a municipal division, Komsomolsky Work Settlement is incorporated within Chamzinsky Municipal District as Komsomolskoye Urban Settlement.[2]