Brian Chau Tak-hay, GBS CBE (Chinese: 周德熙; born 26 January 1943) is a former Hong Kong government official.
In 1979, Chau was appointed as Hong Kong's permanent representative to the General Agreement on Tariffs and Trade (GATT) and served until 1984.
In 1990, his position dropped as the Director-General of Trade, where he responded with "a step back after a year a boundless as the sea and sky".
After his retirement, he was appointed as Special Consultant to the Ministry of Commerce of the People's Republic of China regarding to World Trade Organization (WTO) matters since 2002.
He has also held many company directorships, including the Wheelock and Company Ltd., SJM Holdings Limited, Tradelink Electronic Commerce Limited and China Life Insurance Co. Ltd.[3] He married Ada Wong Ying-kay, a culture activist and former chairman of the Wan Chai District Council.