| Honorific Prefix: | Yang Berhormat Dato Seri Paduka |
| Eusoff Agaki Ismail | |
| Honorific Suffix: | SPMB PHBS |
| Office: | Deputy Minister at the Prime Minister's Office |
| Term Start: | 24 May 2005 |
| Term End: | 18 November 2010 |
| Predecessor: | Office established |
| Successor: | Abdul Wahab Juned Ali Apong |
| Birth Date: | 26 March 1949 |
| Birth Place: | Brunei |
| Occupation: | Politician |
| Alma Mater: | University of Hull (BA; MPhil) Harvard University (MPA) |
| Spouse: | Joanna Agaki |
Eusoff Agaki bin Haji Ismail (born 26 March 1949) is a retired Brunei politician who was appointed as the deputy minister at the Prime Minister's Office (PMO) from 2005 to 2010.
Eusoff Agaki graduated from Sultan Omar Ali Saifuddien College in class 1964, together with Sultan Hassanal Bolkiah, Abu Bakar Apong and Goh King Chin.[1] Additionally, he has a Bachelor of Arts in Southeast Asian Studies from the University of Hull in the United Kingdom, a Master of Philosophy from the same institution, as well as a Master of Public Administration from Harvard University.[2]
As Royal Customs and Excise's deputy controller, Eusoff Agaki began working for the Government of Brunei in 1974 and remained there until 1992. Following this, he worked for the Ministry of Finance before being named director of special duties on 1 November 1994, a position he maintained until 15 November 1995. He would then be named director of the ASEAN European Commission Management Center (AEMC). From roughly three and a half years until 25 May 1999, he served in this capacity. On that date, he was named acting special duty officer at the PMO. He rejoined the Royal Customs and Excise on 2 April 2000, and worked there as a controller for around five years.
Eusoff Agaki was appointed as Deputy Minister at the PMO on 24 May 2005, the day the sultan revealed Brunei's fourth cabinet. He co-currently serves as the director of the Internal Security Department (ISD). At the Centre for Strategic and Policy Studies (CSPS) in Gadong on 24 January 2008, the inaugural E-Government Leadership Forum (EGLF) of 2008 was held where he attended as the 'Executive owner' and the project's chairman in Brunei.[3] From 25 to 27 February 2009, he attended the 3rd ASEAN Defence Ministers’ Meeting (ADMM) in Pattaya, Thailand.[4] Ministers met informally with their colleagues outside of the gathering to discuss the state of their respective countries' defense cooperation and other matters of concern. He had separate bilateral discussions with Teo Chee Hean and Phùng Quang Thanh.[5]
Eusoff Agaki has earned the following honours;