Harry Ho-jen Tseng[1] (Chinese: 曾厚仁) is a Taiwanese diplomat who has served a deputy Minister of Foreign Affairs of Taiwan since 2020 and its representative to Canada since 2022.

Tseng worked for the Ministry of Foreign Affairs (MOFA) between 1985 and 1989,[2] leaving to pursue advanced degrees in the United States.

He graduated from the Woodrow Wilson School of Public and International Affairs of Princeton University in 1991,[3] and continued doctoral studies at the University of Virginia, where he earned a Ph.D.[2] After completing his studies, Tseng returned to the foreign ministry on the advice of David Lee in 1993.

[2] By 2002, Tseng was a section chief at MOFA's Department of North American affairs and an English–Chinese translator for President Chen Shui-bian.

[6] After Tsai Ing-wen became president, Tseng served as deputy secretary-general of the Presidential Office.