| En Name: | Chaadayevka |
| Ru Name: | Чаадаевка |
| Map Label Position: | bottom |
| Federal Subject: | Penza Oblast |
| Adm District Jur: | Gorodishchensky District |
| Inhabloc Cat: | Urban-type settlement |
| Pop 2010Census: | 7599 |
Chaadayevka (Russian: Чаада́евка) is an urban locality (an urban-type settlement) in Gorodishchensky District of Penza Oblast, Russia. Population: