Mohammad Aziyan bin Abdullah @ Yong Foo[1] is a Bruneian diplomat of Chinese descent who became the high commissioner to the United Kingdom from 2010 to 2014,[2] and non-resident ambassador to Greece.

[3] Aziyan was given his credentials by Sultan Hassanal Bolkiah at Istana Nurul Iman on 19 October 2010.

[4] On 10 December, Queen Elizabeth II meets with Aziyan at the presenting of his credentials at Buckingham Palace in London.

[5] During his time in office, he saw Brunei's donation £1,000,000 to the Queen Elizabeth Diamond Jubilee Trust Fund in 2012, with the goal of eliminating preventable cataracts and empowering the next generation of leaders.

[6] Nikos Dendias met with Aziyan to discuss bilateral ties, shared commitment to international law and freedom of navigation, and Greece's candidacy for the UN Security Council.