The secretary-general of ASEAN is the chief administrative officer of the Association of Southeast Asian Nations (ASEAN). The secretary-general must come from an ASEAN member state and will be appointed during the ASEAN Summit based on the alphabetical order of member states.[1] The term of office is five years.[2]
| Secretary-General of the Association of Southeast Asian Nations | |
|---|---|
Kao Kim Hourn since 1 January 2023 | |
| Style | His Excellency |
| Residence | ASEAN Secretariat |
| Seat | Jakarta, Indonesia |
| Appointer | ASEAN Summit |
| Term length | Five years, non-renewable |
| Constituting instrument | ASEAN Charter |
| Inaugural holder | Hartono Dharsono |
| Formation | 7 June 1976; 48 years ago (1976-06-07) |
| # | Term | Portrait | Name | Country |
|---|---|---|---|---|
| 1 | 7 June 1976 – 18 February 1978 |
|
Hartono Dharsono (1925–1996) |
 Indonesia
|
| 2 | 19 February 1978 – 30 June 1978 |
|
Umarjadi Njotowijono | Indonesia
|
| 3 | 10 July 1978 – 30 June 1980 |
|
Ali Abdullah |  Malaysia
|
| 4 | 1 July 1980 – 1 July 1982 |
|
Narciso G. Reyes (1914–1996) |
 Philippines
|
| 5 | 18 July 1982 – 15 July 1984 |
|
Chan Kai Yau (born 1930) |
 Singapore
|
| 6 | 16 July 1984 – 15 July 1986 |
|
Phan Wannamethee (born 1923) |
 Thailand
|
| 7 | 16 July 1986 – 16 July 1989 |
|
Roderick Yong |  Brunei
|
| 8 | 17 July 1989 – 1 January 1993 |
|
Rusli Noor (born 1927) |
Indonesia
|
| 9 | 1 January 1993 – 31 December 1997 |
|
Ajit Singh [ms] (born 1939) |
Malaysia
|
| 10 | 1 January 1998 – 31 December 2002 |
|
Rodolfo Severino Jr. (1936–2019) |
 Philippines
|
| 11 | 1 January 2003 – 31 December 2007 |
|
Ong Keng Yong (born 1954) |
Singapore
|
| 12 | 1 January 2008 – 31 December 2012 |
|
Surin Pitsuwan (1949–2017) |
Thailand
|
| 13 | 1 January 2013 – 31 December 2017 |
|
Lê Lương Minh (born 1952) |
 Vietnam
|
| 14 | 1 January 2018 – 31 December 2022 |
|
Lim Jock Hoi (born 1951) |
Brunei
|
| 15 | 1 January 2023 – present |
|
Kao Kim Hourn (born 1966) |
 Cambodia
|
