Financial difficulties then forced Sengkang Marine out of the S.League in 2004, and Paya Lebar-Punggol Football Club took its place in 2005, finishing the season as wooden-spoonist.

[1] The club also had its fair share of marquee players in the earlier days such as Michael Currie, who formerly played for Queens Park Rangers).

The Cheetahs also qualified for the 2022 AFC Cup group stage where they play all their match in a centralised venue at the Thống Nhất Stadium in Vietnam which see Hougang United finishing 2nd out of 4th place winning 4–3 against Cambodian side, Phnom Penh Crown and defeating Laos side, Young Elephants 1–3 before suffering a heavy defeat to Vietnamese club, Viettel 5–2.

On 19 November 2022, under the lead of caretaker manager Firdaus Kassim, Hougang United defeated defending champions, Tampines Rovers 3–2 in the 2022 Singapore Cup final in which Kristijan Krajček scored a hat-trick to secure The Cheetahs their first ever silverware.

[4] Hougang United started off their 2023–24 AFC Cup campaign with a trip to Kota Kinabalu facing Sabah on 21 September 2023 where they played their first fixtures in a heavy downpours which they suffered a 3–1 away lost however in the next match against Haiphong at the Jalan Besar Stadium, Hougang United bounced back from 1–0 down as Đorđe Maksimović scored a brace in the last 10 minute in the game to settled for a 2–1 victory as the Cheetahs collected the 3 points.

[6] On 16 November 2021, Hougang United announced the signing of main sponsorship with The Physio Circle for 3 years starting from 2022 to 2024.

Note: Flags indicate national team as defined under FIFA eligibility rules; some limited exceptions apply.

Note: Flags indicate national team as defined under FIFA eligibility rules; some limited exceptions apply.