| Type: | neighbourhood |
| Province: | Mersin |
| District: | Tarsus |
| Topçu | |
| Population Total: | 87 |
| Population As Of: | 2022 |
| Coordinates: | 37.05°N 37°W |
| Elevation M: | 135 |
| Area Code: | 0324 |
Topçu is a neighbourhood in the municipality and district of Tarsus, Mersin Province, Turkey.[1] Its population is 87 (2022).[2] It is situated to the north of Çukurova (Cilicia of the antiquity) and to the northeast of Tarsus. It lies away from Tarsus and away from Mersin.