First Lake (Nova Scotia) could refer to one of the following :

• First Lake located at 44°46′40″N 65°11′34″W / 44.77778°N 65.19278°W / 44.77778; -65.19278 (First Lake)
• First Lake located at 44°41′42″N 65°29′6″W / 44.69500°N 65.48500°W / 44.69500; -65.48500 (First Lake)
• First Lake located at 44°29′57″N 65°13′1″W / 44.49917°N 65.21694°W / 44.49917; -65.21694 (First Lake)

• First Lake located at 45°11′38″N 61°26′26″W / 45.19389°N 61.44056°W / 45.19389; -61.44056 (First Lake)
• First Lake located at 45°15′50″N 61°19′18″W / 45.26389°N 61.32167°W / 45.26389; -61.32167 (First Lake)
• First Lake located at 45°7′8″N 62°6′2″W / 45.11889°N 62.10056°W / 45.11889; -62.10056 (First Lake)
• First Lake located at 45°1′52″N 62°2′52″W / 45.03111°N 62.04778°W / 45.03111; -62.04778 (First Lake)

• First Lake located at 44°30′9″N 63°54′31″W / 44.50250°N 63.90861°W / 44.50250; -63.90861 (First Lake)
• First Lake located at 44°56′15″N 62°21′6″W / 44.93750°N 62.35167°W / 44.93750; -62.35167 (First Lake)
• First Lake located at 44°49′54″N 62°38′56″W / 44.83167°N 62.64889°W / 44.83167; -62.64889 (First Lake)
• First Lake located at 44°46′18″N 63°39′43″W / 44.77167°N 63.66194°W / 44.77167; -63.66194 (First Lake)

• First Lake O'Law located at 46°16′41″N 60°57′39″W / 46.27806°N 60.96083°W / 46.27806; -60.96083 (First Lake O'Law)

• First Lake located at 44°7′14″N 65°5′32″W / 44.12056°N 65.09222°W / 44.12056; -65.09222 (First Lake)
• First Lake located at 44°3′5″N 65°0′6″W / 44.05139°N 65.00167°W / 44.05139; -65.00167 (First Lake)

• First Lake located at 45°39′29″N 60°45′24″W / 45.65806°N 60.75667°W / 45.65806; -60.75667 (First Lake)
• First Lake located at 45°38′20″N 61°1′0″W / 45.63889°N 61.01667°W / 45.63889; -61.01667 (First Lake)

• First Lake located at 43°38′39″N 65°37′5″W / 43.64417°N 65.61806°W / 43.64417; -65.61806 (First Lake)

• Geographical Names Board of Canada