Kamarudin bin Jaffar (Jawi: قمرالدين بن جعفر; born 3 November 1951) is a Malaysian politician who has served as the Deputy Minister of Foreign Affairs for the second term in the Barisan Nasional (BN) administration under Prime Minister Ismail Sabri Yaakob and Minister Saifuddin Abdullah from August 2021 to November 2022. He served his first term in the Perikatan Nasional (PN) administration under former Prime Minister Muhyiddin Yassin and former Minister Hishammudin Hussein from March 2020 to August 2021 and the Member of Parliament (MP) for Bandar Tun Razak from May 2018 to November 2022. He served as the Deputy Minister of Transport in the Pakatan Harapan (PH) administration under former Prime Minister Mahathir Mohamad and former Minister Anthony Loke from July 2018 to the collapse of th