The Tiong Bahru Group Representation Constituency (GRC) was a three-member group representation constituency in Singapore that existed from 1988 to 1991, consisting of the pre-GRC constituencies of Anson, Henderson, and Tiong Bahru. It was replaced by Tanjong Pagar GRC after one term in Parliament. The Members of Parliament (MPs) for this GRC were Ch'ng Jit Koon, Chng Hee Kok and S Vasoo from the People's Action Party (PAP).