| Tang Guan Seng | |
| Party: | People's Action Party |
| Nationality: | Singapore |
| Majority1: | 11,983 (58.96%) |
| Constituency Mp: | Ang Mo Kio GRC (Ang Mo Kio) |
| Parliament: | Singapore |
| Term Start: | 2 January 1997 |
| Term End: | 18 October 2001 |
| Predecessor: | Yeo Toon Chia (PAP) |
| Successor: | Position abolished |
| Constituency Mp1: | Hougang SMC |
| Parliament1: | Singapore |
| Term Start1: | 9 January 1989 |
| Term End1: | 14 August 1991 |
| Successor1: | Low Thia Khiang (WP) |
| Birth Place: | Colony of Singapore |
Tang Guan Seng is a Singaporean politician. A member of the governing People's Action Party (PAP), he was a Member of the Parliament representing Khe Bong SMC from 1984 to 1988, Hougang SMC from 1988 to 1991 and Ang Mo Kio GRC representing Ang Mo Kio division from 1997 to 2001.
At the 1984 Singaporean general election, Tang contested Khe Bong SMC and won the election over Sim Say Chuan of the Barisan Sosialis with 62.53% of the vote.[1]
At the 1988 Singaporean general election, Khe Boon SMC was absorbed in to Toa Payoh GRC and Tang contested the newly created Hougang SMC.[2] He won the election over Lim Chiu Liang of the Workers' Party (WP) with 58.96% of the vote.[3] [4]
At the 1991 Singaporean general election, Tang lost the election to Low Thia Khiang of WP with 47.18% of the vote.[5] [6]
In 1993, when Ong Teng Cheong resigned from PAP to run in the 1993 Singaporean presidential election, Tang replaced Ong as the chairman of PAP's Kim Keat branch, as well as the Kim Keat grassroots adviser.[7]
Tang did not re-contest Hougang SMC in the 1997 Singaporean general election but joined the PAP team in Ang Mo Kio GRC where the team won the election unopposed.
In 2004, Tang was appointed to be the political secretary to Senior Minister Goh Chok Tong.[8]
Tang is married to Tan Soh Nee.[9]