Katonisi
 |
Native name: Κατονήσι | |
|---|---|
 | |
| Geography | |
| Coordinates | 35°10′40″N 24°14′07″E / 35.17778°N 24.23528°E |
| Archipelago | Cretan Islands |
| Administration | |
Greece | |
Region | Crete |
| Regional unit | Chania |
| Demographics | |
| Population | 0 (2001) |
Katonisi (Greek: Κατονήσι, "lower island") is an uninhabited islet close to the southern coast of Crete in the Libyan Sea. It is administered from the municipality of Sfakia, in Chania regional unit.