| Type: | neighbourhood |
| Province: | Mersin |
| District: | Tarsus |
| Kocaköy | |
| Population Total: | 57 |
| Population As Of: | 2022 |
| Coordinates: | 36.9167°N 37°W |
| Elevation M: | 10 |
| Area Code: | 0324 |
Kocaköy is a neighbourhood in the municipality and district of Tarsus, Mersin Province, Turkey.[1] Its population is 57 (2022).[2] It is situated in the Çukurova plains. Its distance to Tarsus is and to Mersin is .[3] Although its name means "big village" it is one of the least populous settlements in Tarsus district.