The Lake is an inland water in Cardiff, Cardiff
- Built-Up Area: Cardiff
- Parish/Community: Cyncoed
- Unitary Authority: Cardiff
- Region: Wales
- Category: Water Feature
- Type: Inland Water
- Latitude/Longitude: 51°30'36"N 3°10'30"W
- Eastings/Northings: 318538, 179686
- OS Grid: ST185796
- Mapcode Local: GBR KJ8.ZL
- Mapcode Global: VH6F6.X97M
Location and coordinates are for the approximate centre of The Lake within this administrative area.
Geographic features and populated places may cross administrative borders.