Suyoi bin Haji Osman (born 15 February 1952) is a Bruneian aristocrat, civil servant and politician who serve as a member of the Legislative Council of Brunei (LegCo) since 2023.

[3] On 15 November 2000, during the APEC meeting at the International Convention Centre (ICC), Suyoi and Alexander Losyukov signed the Bilateral Consultation Protocol between Brunei and Russia to strengthen ties and foster collaboration in shared areas of interest.

[8] On 4 June, Suyoi highlighted the government's B$20.7 million investment in computerisation projects since 1999, emphasising efforts to connect schools to the information highway with high-quality computers, software, and qualified teachers.

[14] Later that year, he addressed strategies for tackling both chronic and non-chronic illnesses, especially in light of the potential avian flu epidemic, sharing insights from the 6th Global Health Promotion Conference in Bangkok.

During the conference, the Bangkok Charter was adopted to improve public health and empower individuals, and discussions also included plans for a regional "central bank" to store the avian flu drug oseltamivir, alongside calls for nations to contribute to a fund for the cause.

[17] Later, on 19 August, he led the groundbreaking ceremony for a new $3 million health centre in Sungai Liang, part of the 8th National Development Plan (RKN), with completion expected by the end of the following year.

The topics of discussion included food control, environmental regulations, cooperation on avian influenza, medical professional training, study opportunities for Bruneians in Egypt, and employment for Egyptian doctors in Brunei.

[19] On 9 February, he and Singapore's Health Minister Khaw Boon Wan inked an MoU to expand collaboration in healthcare areas such zoonoses, disease prevention, and medical research.

He emphasised the significance of health screenings, awareness campaigns, and MoH's efforts in preventative healthcare to address rising chronic diseases, high blood pressure, and kidney problems.

[38] On 17 July, he represented Brunei at the 15th Meeting of the Sub-Regional MSC on Transboundary Haze in Kuala Lumpur, where he expressed concerns about the rising number of hotspots in Borneo and Sumatra, called for stronger measures to address the issue, particularly during the dry season, and highlighted the importance of improved early warning systems and preparedness for future fires, while reaffirming Brunei's support for regional cooperation and initiatives to enhance fire control and reduce haze pollution.

[41] On 7 August, he attended the signing ceremony for the RPN Lugu housing project, overseen by Bina Puri Brunei, which, costing over $109 million, will provide 1,000 cluster homes and various public facilities.

[42] On 30 December, Suyoi visited the 91% completed 'Coastal Pipe Project', which aims to improve water supply through a 60-kilometre (37 mi) pipeline from Bukit Barun to Brunei–Muara, and inspected the flyover construction between Jalan Berakas and the Muara–Tutong Highway.

[43] In addition to giving updates on the status of the Temburong Bridge and Jalan Residency projects, Suyoi addressed complaints regarding delays in property title processing on 16 March 2015 and claimed that innovations, such as "simulating" procedures, would expedite duties like land subdivision and name changes.

[52] On 5 November, he led Brunei's delegation to the 39th UNESCO General Conference in Paris, where he showcased the nation's commitment to quality education through initiatives like the 'Brunei Teacher Standards', SPN21, and the pivotal role of school leaders in delivering high-quality teaching.

[57] In November, Suyoi led a delegation to the 31st Asia Pacific Parliamentary Forum in the Philippines, where she showcased Brunei's efforts to combat transnational crimes and foster international security collaboration.

[58] At the 20th LegCo session on 4 March 2024, Suyoi urged penghulus and ketua kampungs to promptly address community issues, including maintenance, housing, and emergency aid for low-income families.

Ahmaddin Abdul Rahman recognised their role as first responders, often using personal funds to assist, while Nazmi Mohamad highlighted continued support from relevant ministries and the Department of Community Development.

[64] On 17 April 2004, Suyoi was honoured by Sultan Hassanal Bolkiah with the manteri title of Pehin Orang Kaya Indera Pahlawan, bearing the style Yang Dimuliakan.