António Ng Kuok Cheong (Chinese: 吳國昌; born September 26, 1957) was a member in the Macau Legislative Assembly, returned by direct election.

He was the founding chairman of the pro-democratic political party New Macau Association.

Ng has been a major figure in the Macau democracy movement and is one of the three pro-democratic legislators in the Assembly.

After his graduation from Yuet Wah College, Macau, Ng obtained his undergraduate degree in economics at Chinese University of Hong Kong.

Once an employee in a Chinese bank in the early 1990s, Ng lost the job due to political pressure from Beijing.