Ferguson Lake may refer to:

Canada

• Hector Ferguson Lake, British Columbia
• Nunavut
  • Ferguson Lake (Kivalliq Region)
  • Tahiryuaq formerly known as Ferguson Lake
• Nova Scotia
  • Ferguson Lake (Nova Scotia), Cape Breton Regional Municipality
• Ontario
  • Nipissing District
    • Ferguson Lake (Stewart Township)
    • Ferguson Lake (Temagami)
  • Ferguson Lake (Sudbury District)

Greenland

• Ferguson Lake (Tasersuatsiaq)

United States

• Ferguson Lake, Pulaski County, Arkansas
• Ferguson Lake, Searcy County, Arkansas
• Ferguson Lake, southwest Arizona
• Ferguson Lake, California
• Ferguson Lake, Pasco County, Florida
• Ferguson Lake, Penobscot County, Maine
• Ferguson Lake, Michigan
• Ferguson Lake, Montana
• Ferguson Lake, Colfax County, New Mexico
• Ferguson Lake, Westchester County, New York
• Ferguson Lake, Allendale County, South Carolina
• Ferguson Lake, Texas
• Ferguson Lake, Washington
• Ferguson Lake, Douglas County, Wisconsin
• Lake Ferguson, Mississippi