This is a list of by-elections in Hong Kong, with the names of the incumbent and victor and their respective parties.

Legislative Council by-elections

According to Legislative Council Ordinance, "a by-election to fill a vacancy occurring in the membership of the Legislative Council is not to be held within the 4 months preceding the end of that Council’s current term of office." However, there is no statutory requirement over when shall a by-election be held after a seat is declared vacant. The following vacancies did not trigger by-election as they occurred – * within 4 months before nomination period of general election:

Ambrose Cheung Ambrose Cheung Wing-sum, BBS, JP (; born 10 January 1951) is a businessman, solicitor and is a former member of the Legislative Council of Hong Kong in 1998–2000 for the Urban Council constituency and incumbent Sham Shui Po District Council ...

in 1999, Au Nok-hin in 2019,

Gary Fan Gary Fan Kwok-wai (; born 30 October 1966) is a Hong Kong politician. He was the member of Legislative Council from 2012 to 2016 and from 2018 to 2019 after winning the 2018 by-election for New Territories East. He is also a former member of ...

in 2019, Ho Kai-ming in 2020 * during nomination period of general election: Paul Chan in 2012 * during public health emergency:

Chan Hoi-yan Rebecca Chan Hoi-yan (; born 19 November 1977) is a member of the Legislative Council of Hong Kong. A former journalist, Chan was the political assistant to Secretary for Food and Health Ko Wing-man from 2012 to 2017. As a health ambassador, sh ...

, Raymond Chan,

Eddie Chu Eddie Chu Hoi-dick (; born 29 September 1977) is a Hong Kong social activist and politician. He is a member of the Local Action and founder of the Land Justice League which are involved in conservation and environmental movements. He is kno ...

Tanya Chan Tanya Chan (; born 14 September 1971) is a Hong Kong politician who served as a Legislative Councillor representing Hong Kong Island from 2008 to 2012, and again from 2016 to 2020. She is a founding member of the Civic Party. Chan is sometimes kn ...

, Alvin Yeung,

Dennis Kwok Dennis Kwok Wing-hang (; born 15 April 1978) is a former member of the Hong Kong Legislative Council having represented the Legal functional constituency from 2012 to 2020 and a founding member of Civic Party. In the Legislative Council, he w ...

Kwok Ka-ki Kwok Ka-ki (; born 20 July 1961) is a democratic Hong Kong former politician. He is a private urology doctor, having graduated from the Faculty of Medicine at the University of Hong Kong. Kwok is a member of the Civic Party, having joined on ...

Kenneth Leung Kenneth Leung Kai-cheong (; born 17 October 1962) is a democratic Hong Kong politician formerly serving as a member of the Legislative Council for the Accountancy functional constituency. Professionally, he is a tax adviser and accountant. ...

Ted Hui Ted Hui Chi-fung ( zh, t=許智峯; born 8 June 1982) is a Hong Kong politician. He formerly represented the Chung Wan constituency in the Central and Western District Council, and formerly he was the Legislative Councillor for the Hong Kong ...

Claudia Mo Claudia Mo (born Mo Man-ching on 18 January 1957), also known as Claudia Bowring, is a Hong Kong journalist and politician, a member of the pan-democracy camp. She represented the Kowloon West geographical constituency, until November 2020 ...

, Helena Wong,

Wu Chi-wai Wu Chi-wai, MH (, born 18 October 1962) is a Hong Kong politician. He is the former chairman of the Democratic Party from 2016 to 2020 and a former member of the Legislative Council of Hong Kong for Kowloon East constituency since 2012. He ...

Andrew Wan Andrew Wan Siu-kin (; born 7 June 1969) is the former vice-chairman of the Democratic Party and a former member of the Kwai Tsing District Council for Shek Yam constituency. He was elected in the 2016 Hong Kong Legislative Council election t ...

Lam Cheuk-ting Lam Cheuk-ting (; born 13 June 1977) is a Democratic Party politician in Hong Kong. He is a former investigator of the Independent Commission Against Corruption (ICAC) and chief executive of the Democratic Party. He was a member of the North ...

Roy Kwong Roy Kwong Chun-yu (; born 9 February 1983) is a Hong Kong politician and novelist. He is a member of the Democratic Party and former member of the Yuen Long District Council for Pek Long. He became a member of the Legislative Council of Hong K ...

, James To,

Jeremy Tam Jeremy Jansen Tam Man-ho (; born 13 June 1975) is a Hong Kong politician, airline pilot, and former Vice-Chairman of the Hong Kong Civic Party's Kowloon East (constituency), Kowloon East Branch. He was a former member of the Legislative Council ...

Charles Mok Charles Peter Mok, JP (born 1964 in Hong Kong) is a Hong Kong-based Internet entrepreneur and IT advocate who formerly represents the Information Technology functional constituency on the Hong Kong Legislative Council. Mok founded HKNet in ...

Fernando Cheung Fernando Cheung Chiu-hung (; born 23 February 1957 in Macau) is a Hong Kong politician, the vice-chairman of the Labour Party (Hong Kong), Labour Party, and a former member of the Legislative Council of Hong Kong, Legislative Council. Career C ...

Leung Yiu-chung Leung Yiu-chung (, born 19 May 1953) is a Hong Kong politician. He is a member of the pro-labour Neighbourhood and Worker's Service Centre, part of the pan-democracy camp, and a former long-time member of the Legislative Council of Hong Kon ...

Ip Kin-yuen Ip Kin-yuen (, born 1961) is a former member of the Legislative Council of Hong Kong for Education constituency and a chief executive for Hong Kong Professional Teachers' Union. Background Ip graduated from University of Hong Kong with Bachelor ...

, Joseph Lee,

Shiu Ka-chun Shiu Ka-chun (; born 1970) is a Hong Kong social worker and activist, and a former lecturer at Hong Kong Baptist University. He was one of leaders in the 2014 Hong Kong protests. In 2016, he was elected to the Legislative Council of Hong Kong thr ...

in 2020 * and the legal procedures prolonged into 4 months before nomination period of general election:

Leung Kwok-hung Leung Kwok-hung ( zh, t=梁國雄; born 27 March 1956), also known by his nickname "Long Hair" (), is a Hong Kong politician and social activist. He was a member of the Legislative Council, representing the New Territories East. A Trotskyist ...

in 2020.

SAR Legislative Council (1998 to present)

Provisional Legislative Council (1997–1998)

Colonial Legislative Council (1985–1997)

Urban Council by-elections

Regional Council by-elections

District Council by-elections

5th District Councils (2016 to 2019)

4th District Councils (2012–2015)

3rd District Councils (2008–2011)

2nd District Councils (2004–2007)

1st District Councils (2000–2003)

District Board by-elections

5th District Boards (1994–1997)

4th District Boards (1991–1994)

3rd District Boards (1988–1991)

2nd District Boards (1985–1988)

1st District Boards (1982–1985)

{{Hong Kong elections

Hong Kong Hong Kong ( (US) or (UK); , ), officially the Hong Kong Special Administrative Region of the People's Republic of China (abbr. Hong Kong SAR or HKSAR), is a List of cities in China, city and Special administrative regions of China, special ...