Tsang Tak Sing GBS JP (Chinese: 曾德成; born 1949, Canton, China) is the former Secretary for Home Affairs of Hong Kong.

[2][3] An elite student in a prestigious school, Tsang had no ties with the leftist camp, but he was disgusted by the colonial government's oppression and viewed current society as decadent.

[4] He was arrested on 28 September 1967 after distributing anti-government and Communism promotion leaflets, which condemned "the education system aiming at enslavement", "The Colonial Government prohibits us from becoming patriotic, by quelling with fascist forces", around the entrance of his school.

He was reported by the schoolmaster R. G. Wells, arrested, tried and convicted on 9 October for two years for distributing inflammatory leaflets that promoted public order crime,[1][5] thus depriving him of his chance of a university education due to his past criminal record.

[4] Li was deeply impressed by Tsang, describing him as having "exceptional intellectual qualities" and remarking that he arrived at his conclusions through independent analysis, unlike most Hong Kong students.