Lake Rotoroa (Māori: "long lake") may refer to the following New Zealand lakes:

Lake Rotoroa (Northland) Lake Rotoroa (Tasman) Lake Rotoroa (Hamilton) (or "Hamilton Lake"), Hamilton City, Waikato, New Zealand Lake Rotoroa (Waitomo), Waitomo District, Waikato, New Zealand

See also Long Lake (disambiguation) Lake Rotorua