| Lake Joondalup | |
|---|---|
 A view looking westward over the lake | |
  Lake Joondalup | |
| Location | Joondalup, Western Australia |
| Coordinates | 31°44′42.63″S 115°47′05.37″E / 31.7451750°S 115.7848250°E |
| Type | Freshwater |
| Basin countries | Australia |
| Designation | Yellagonga Regional Park |
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Lake Joondalup is a freshwater lake in Perth, Western Australia. It is in the Perth northern suburbs of Joondalup, Wanneroo, and Edgewater. It is a nature reserve and part of the Yellagonga Regional Park.