| En Name: | Karsun |
| Ru Name: | Карсун |
| Map Label Position: | bottom |
| Federal Subject: | Ulyanovsk Oblast |
| Adm District Jur: | Karsunsky District |
| Inhabloc Cat: | Urban-type settlement |
| Pop 2010Census: | 7748 |
Karsun (Russian: Карсу́н) is an urban locality (an urban-type settlement) in Karsunsky District of Ulyanovsk Oblast, Russia. Population: