| En Name: | Kadyy |
| Ru Name: | Кадый |
| Map Label Position: | bottom |
| Federal Subject: | Kostroma Oblast |
| Adm District Jur: | Kadyysky District |
| Inhabloc Cat: | Urban-type settlement |
| Pop 2010Census: | 3597 |
| Date: | July 2020 |
Kadyy (Russian: Кады́й) is an urban-type settlement and the administrative center of Kadyysky District, Kostroma Oblast, Russia. Population: