Datuk Nizam Abu Bakar Titingan (born 7 November 1966) is a Malaysian politician who has served as the State Assistant Minister to the Chief Minister of Sabah in the Gabungan Rakyat Sabah (GRS) state administration under Chief Minister Hajiji Noor since October 2022 and Member of the Sabah State Legislative Assembly (MLA) for Apas since May 2018. He served as State Assistant Minister of Finance in the GRS state administration under Chief Minister and Minister Hajiji as well as Minister II Masidi Manjun from October 2020 to October 2022. He is a member of the Malaysian United Indigenous Party (BERSATU), a component party of the ruling Perikatan Nasional (PN) and GRS coalitions.