| Type: | neighbourhood |
| Province: | Kocaeli |
| District: | Karamürsel |
| Karapınar | |
| Population Total: | 581 |
| Population As Of: | 2022 |
| Coordinates: | 40.666°N 29.609°W |
Karapınar is a neighbourhood of the municipality and district of Karamürsel, Kocaeli Province, Turkey.[1] Its population is 581 (2022). It is 37 km from İzmit city center and 5 km from Karamürsel.