Ang Yong Guan PBM (Chinese: 洪永元; pinyin: Hóng Yǒngyuán; born 24 January 1955) is a Singaporean politician, psychiatrist and former Singapore Armed Forces colonel. He was the Progress Singapore Party Head of Training and Development between 2020 and 2023 and has been the Progress Singapore Party Second Assistant Secretary-General since 2023.^[1]

Ang graduated from the National University of Singapore in 1979 and had his postgraduate training in psychiatry at the University of Edinburgh between 1984 and 1986.^[2]

In 2011 general election, Ang joined the Singapore Democratic Party along with team members, Tan Jee Say, Vincent Wijeysingha and Michelle Leea contested in a four-member Holland–Bukit Timah GRC and obtained 39.92% of valid votes.

In 2014, Ang was appointed as chairman of SingFirst. In 2015 general election, Ang joined SingFirst along with team members, Tan Jee Say, Melvyn Chiu, Chirag Praful Desail and Mohamad Fahmi Bin Ahmad Rais contested in a five-member Tanjong Pagar GRC and obtained with 22.29% of valid votes. ^[3][4]

During the 2020 general election, Tan Jee Say dissolved SingFirst on 25 June 2020. Ang joined as a candidate of the Progress Singapore Party and stood in the newly created single-member constituency of Marymount SMC but was defeated with 44.96% of valid votes.

After the 2020 general election, Ang was appointed as Head of Training and Development of the Progress Singapore Party between 2020 and 2023. On 4 April 2023, Ang was appointed as 2nd Assistant Secretary-General of the Progress Singapore Party.

Ang had served in the Singapore Armed Forces for 23 years, and was Chief Psychiatrist of the Psychological Medicine Branch before he retiring from the SAF in 2003. He attained the highest rank of Colonel.

Ang is married to an educator and together they have four children. He runs a private clinic at the Paragon Shopping Mall.^[5]

In 1995, Ang was awarded the Public Service Medal for his grassroots contributions as a community leader at Kembangan Constituency, helping then-Member of Parliament George Yeo for more than 15 years. He was also awarded the Public Administration Medal in 1996 for his military services.^[2]