| Lac Daumesnil | |
| Location: | Paris |
| Coords: | 48.8306°N 2.4156°W |
| Type: | artificial |
| Pushpin Map: | Paris |
| Basin Countries: | France |
| Length: | 0.8km (00.5miles) |
| Width: | 0.25km (00.16miles) |
| Area: | 0.12km2 |
| Islands: | 2 |
Lac Daumesnil is a lake in the Bois de Vincennes, a public park in Paris, France. Its surface area is 0.12 km2. It is surrounded by "promenade Maurice Boitel".