Ma'mun bin Sulaiman is a Malaysian politician who served as the Member of Parliament (MP) for Kalabakan from May 2018 to November 2022. He is a Supreme Council member of the Heritage Party (WARISAN).
Ma'mun is the younger brother of United Malays National Organisation of Sabah (Sabah UMNO) Kalabakan Women Chief, Chaya Sulaiman. His spouse is Warti Lakatu and together they have 5 children named Nazrin Epizal, Azizi Rahman, Hafizul Ikmal, Eizlan Huzzaini and Izzety Sharmaine.
In the 2018 general election, his party of Heritage Party (WARISAN) fielded him to contest the Kalabakan parliamentary seat, facing the defending candidate Abdul Ghapur Salleh from the United Malays National Organisation (UMNO) and subsequently won. Unfortunately, he failed to defend his seat during the 2022 general election.