| Type: | commune |
| County: | Constanța |
| Official Name: | Cerchezu |
| Subdivisions: | Cerchezu, Căscioarele, Măgura, Viroaga |
| Leader Name: | Ștefan Chelaru[1] |
| Leader Party: | PSD |
| Leader Term: | 2020 - 2024 |
| Coordinates: | 43.825°N 28.0981°W |
| Elevation: | 131 |
| Area Total: | 72.67 |
| Population Total: | auto |
| Postal Code: | 907045 |
| Area Code: | +(40) 241 |
Cerchezu is a commune in Constanța County, Northern Dobruja, Romania. The commune includes four villages:
The territory of the commune also includes the former village of Căciulați (historical name: Cealmagea), nominally merged with Viroaga by the 1968 administrative reform.
Cerchezu is located in the southern part of the county, southeast of the county seat, the port city of Constanța, on the border with Bulgaria. It is crossed by county road DJ391A, which connects it to national road DN3 to the north and to just to the east.
At the 2011 census, Cerchezu had 1,287 Romanians (99.84%) and 2 others (0.16%). At the 2021 census, the commune had a population of 1,256; of those, 91.64% were Romanians.[2] Before World War II the commune had a small German minority.[3]