Mahi Beamer (Edwin Mahiʻai Copp Beamer, Honolulu, Hawaii, December 5, 1928 – July 14, 2017) was an American tenor falsetto singer, composer and hula dancer. Mahi Beamer, of Hawaiian ancestry, was the grandson of Helen Desha Beamer. His father, Milton Hoʻolulu Desha Beamer Sr. was her son. Mahi's mother was Mildred Kaaloehukaiopuaena Copp Beamer. In 2006, Mahi Beamer was inducted into the Hawaiian Music Hall of Fame. He was named a "Living Treasure of Hawaii" in 2008 by the Honpa Hongwanji Mission of Hawaii