Keat Gin Ooi (Chinese: 黃吉仁; Pe̍h-ōe-jī: Ûiⁿ Kiat-jîn; pinyin: Huáng Jírén;[1] born 10 October 1959) is a Malaysian academician, historian and educator of Chinese descent who is a professor at the Modern History of Brunei/Borneo in Universiti Brunei Darussalam's Academy of Brunei Studies.
[2] Throughout Europe, the Americas, Australasia, South, East, and Southeast Asia, Ooi has established a sizeable professional network.
His study has covered Borneo's regions in present-day Sabah, Sarawak, Brunei, and Kalimantan, with a concentration on the White Rajahs, British colonial control, the Pacific War, and Japan's military presence.
Apart from Borneo, Ooi's scholarly pursuits encompass metropolitan areas such as George Town, Penang, and historiography, specifically in the context of secondary and university education.
He has started studying international history and biography recently with the goal of researching the historical personalities and regional relations of Borneo.