| En Name: | Konstantinovsk |
| Ru Name: | Константиновск |
| Coordinates: | 47.5667°N 46°W |
| Map Label Position: | bottom |
| Image Coa: | Konstantinovsk COA (2018).png |
| Federal Subject: | Rostov Oblast |
| Adm District Jur: | Konstantinovsky District |
| Adm Selsoviet Jur: | Konstantinovskoye |
| Adm Selsoviet Type: | Urban settlement |
| Adm Ctr Of1: | Konstantinovsky District |
| Adm Ctr Of2: | Konstantinovskoye Urban Settlement |
| Inhabloc Cat: | Town |
| Mun District Jur: | Konstantinovsky Municipal District |
| Urban Settlement Jur: | Konstantinovskoye Urban Settlement |
| Mun Admctr Of1: | Konstantinovsky Municipal District |
| Mun Admctr Of2: | Konstantinovskoye Urban Settlement |
| Pop 2010Census: | 17926 |
| Current Cat Date: | 1967 |
| Postal Codes: | 347250–347254, 347289 |
| Dialing Codes: | 86393 |
| Website: | https://web.archive.org/web/20140725161044/http://www.stanica-konst.ru/ |
Konstantinovsk (ru|Константи́новск) is a town and the administrative center of Konstantinovsky District in Rostov Oblast, Russia, located on the Don River near the Seversky Donets. Population:
Town status was granted to Konstantinovsk in 1967.
Within the framework of administrative divisions, Konstantinovsk serves as the administrative center of Konstantinovsky District.[1] As an administrative division, it is, together with five rural localities, incorporated within Konstantinovsky District as Konstantinovskoye Urban Settlement. As a municipal division, this administrative unit also has urban settlement status and is a part of Konstantinovsky Municipal District.[2]