2020 Honolulu mayoral election

The 2020 Honolulu mayoral election determined the Mayor of the City and County of Honolulu for the term commencing in January 2021. Incumbent mayor Kirk Caldwell was ineligible to run for a third term due to term limits.

The position of Mayor of Honolulu is non-partisan. A nonpartisan blanket primary was held on Saturday, August 8, 2020. With no candidate receiving an outright majority of the vote in the primary, the top two finishers, Rick Blangiardi and Keith Amemiya, advanced to a November general election runoff on Tuesday, November 3, 2020.

Rick Blangiardi dominated the general election, defeating Amemiya with 58.2% of all votes. The city and county also had a record-shattering turnout, with 385,442 total votes in the election being cast. This was the highest turnout in many years. Blangiardi was inaugurated as mayor on January 2, 2021.

Advanced to runoff

 * Keith Amemiya, insurance executive and former executive director of Hawaii High School Athletic Association  (party affiliation: Democratic)
 * Rick Blangiardi, former University of Hawaii football coach, businessman, and television executive for Hawaii News Now (party affiliation: Independent)

Eliminated during primary

 * John Carroll, former state senator, nominee for U.S. Senate in 2000 and 2016, and candidate for Governor of Hawaii in 2018 (party affiliation: Republican)
 * Colleen Hanabusa, former U.S. representative for Hawaii's 1st congressional district (2011–2015; 2016–2019) (endorsed Blangiardi; party affiliation: Democratic)
 * Mufi Hannemann, former mayor of Honolulu, 2005–2010 (party affiliation: Independent)
 * Choon James, real estate broker, candidate for Honolulu City Council, district 2 in 2018 (party affiliation: Independent)
 * Audrey Keesing, Hawaii State President of the National Organization for Women, 1994–1999, participant U.N. 4th World Conference on Women. 1995 candidate for State House of Representatives, 1996, participant in The Native Hawaiian Federal Recognition: Joint Hearing (party affiliation: Independent)
 * Kymberly Pine, Honolulu City councilmember, district 1 (party affiliation: Democratic)
 * William "Bud" Stonebraker, pastor of South Shore Christian Fellowship, kalo farmer, former Hawaiʻi state representative (2000–2006) (party affiliation: Independent)
 * Ho Yin (Jason) Wong, former Chief Governance & Information Officer of an IaaS cloud computing technology company. (party affiliation: Democratic)

Withdrew

 * Ikaika Anderson, Honolulu City councilmember, district 3; council chair and presiding officer (party affiliation: Democratic)
 * Marissa Kerns, 2018 Republican nominee for lieutenant governor of Hawaii
 * Ron Menor, Honolulu City councilmember, district 9

Declined

 * Charles Djou, former U.S. representative for Hawaii's 1st congressional district (2010–2011); candidate for Mayor of Honolulu in 2016