Fourth Lake (Nova Scotia)

 Fourth Lake (Nova Scotia) could mean the following :

Municipality of Clare

 * Fourth Lake Flowage located at 44.36222°N, -65.69556°W

Halifax Regional Municipality

 * Fourth Lake located at 45.01611°N, -62.40833°W
 * Fourth Lake located at 44.96667°N, -62.34444°W
 * Fourth Lake located at 44.88639°N, -62.70222°W
 * Fourth Lake located at 44.51056°N, -63.91806°W
 * Fourth Lake located at 44.5125°N, -63.72361°W

Municipality of the District of Staint Mary's

 * Fourth Lake located at 45.15889°N, -61.93472°W
 * Fourth Lake located at 45.14222°N, -61.94167°W