Edwin Mahiai (Mahi) Copp Beamer (December 5, 1928 – July 14, 2017) was an American tenor falsetto singer, composer and hula dancer of Hawaiian ancestry. He was born in Honolulu in the Territory of Hawaii. 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.