Fourth Lake (Nova Scotia) could mean the following :
Municipality of Clare
edit- Fourth Lake Flowage located at 44°21′44″N 65°41′44″W / 44.36222°N 65.69556°W
Halifax Regional Municipality
edit- Fourth Lake located at 45°0′58″N 62°24′30″W / 45.01611°N 62.40833°W
- Fourth Lake located at 44°58′0″N 62°20′40″W / 44.96667°N 62.34444°W
- Fourth Lake located at 44°53′11″N 62°42′8″W / 44.88639°N 62.70222°W
- Fourth Lake located at 44°30′38″N 63°55′5″W / 44.51056°N 63.91806°W
- Fourth Lake located at 44°30′45″N 63°43′25″W / 44.51250°N 63.72361°W
Municipality of the District of Staint Mary's
edit- Fourth Lake located at 45°9′32″N 61°56′5″W / 45.15889°N 61.93472°W
- Fourth Lake located at 45°8′32″N 61°56′30″W / 45.14222°N 61.94167°W