| Edko Lake | |
| Coordinates: | 31.2508°N 30.2114°W |
| Basin Countries: | Egypt |
| Salinity: | 488 per mille[1] |
| Cities: | Edku |
| Pushpin Map: | Egypt |
| Pushpin Map Alt: | Location of Lake Idku in Egypt. |
Lake Idku (Arabic: بحيرة إدكو) is one of the lakes in Egypt. Its freshwater area is and it connects to the Mediterranean Sea. The lake lies to the west of the city of Edku.