The mayor of Honolulu is the chief executive officer of the City and County of Honolulu. An office established in 1900 and modified in 1907, the mayor of Honolulu is elected by universal suffrage of residents of Honolulu to no more than two four-year terms. The City and County of Honolulu's elected officials include the mayor, the prosecuting attorney, and councilmembers representing nine districts.

Honolulu County, officially known as the City and County of Honolulu, is a consolidated city-county in the U.S. state of Hawaii. The city-county includes both Urban Honolulu and the rest of the neighborhoods on the island of Oʻahu, as well as several minor outlying islands, including all of the Northwestern Hawaiian Islands except Midway Atoll.