| Honorific Prefix: | Yang Berbahagia Tan Sri |
| Razarudin Husain | |
| Native Name: | Malay: {{Script|Arab|رضارالدين حسين |
| Order: | 14th |
| Office: | Inspector-General of Police (Malaysia) |
| Term Start: | 23 June 2023 |
| Primeminister: | Anwar Ibrahim |
| Minister: | Saifuddin Nasution Ismail |
| Deputy: | Ayob Khan Mydin Pitchay |
| Predecessor: | Acryl Sani Abdullah Sani |
| Order1: | 28th |
| Office1: | Deputy Inspector-General of Police (Malaysia) |
| Term Start1: | 26 December 2021 |
| Term End1: | 22 June 2023 |
| Monarch1: | Abdullah |
| Primeminister1: | Ismail Sabri Yaakob Anwar Ibrahim |
| Minister1: | Hamzah Zainudin Saifuddin Nasution Ismail |
| Predecessor1: | Mazlan Lazim |
| Successor1: | Ayob Khan Mydin Pitchay |
| 1Blankname1: | Inspector-General |
| 1Namedata1: | Acryl Sani Abdullah Sani |
| Birth Date: | 15 March 1963 |
| Birth Place: | Dengkil, Selangor, Federation of Malaya) |
| Citizenship: | Malaysian |
| Spouse: | Zainah Othman |
| Occupation: | Police officer |
| Alma Mater: | National University of Malaysia (B.Soc.Sc) |
Tan Sri Razarudin bin Husain (Jawi: رضارالدين ابن حسين; born 15 March 1963) is a Malaysian police officer who has served as the 14th Inspector-General of Police (IGP) since June 2023. He served as the Deputy Inspector-General of Police (DIG) from December 2021 to his promotion to the IGP in June 2023.
Razarudin Husain was born on 15 March 1963 in Dengkil, Selangor. He holds a Master's Degree in Social Science in Policing Studies from Universiti Kebangsaan Malaysia (UKM).
Razarudin joined the police force on 27 December 1982 as Probationary Inspector at the age of 19. He had served as Deputy Commander of Special Task Force On Organised Crime (STAFOC) in 2013. On 29 April 2016, Razarudin promoted to Senior Assistant Commissioner of Police and assumed the post of Head of the Penang Criminal Investigation Department, replacing Zakaria Ahmad who went on become Johor Deputy Police Chief.[1] In the same year, He promoted to Deputy Commissioner of Police and served as Sabah Deputy Police Commissioner,[2] his previous post was taken by Zainol Samah.[3] In 2018, Razarudin assumed the post of Perak Deputy Police Chief and in 2019 he served as Perak Police Chief.
On 9 September 2020, he served as Director of Bukit Aman Narcotics Crime Investigation Department.[4]
On 22 December 2021, he was appointed Deputy Inspector-General of Police, replacing Mazlan Lazim who later retired on 25 December 2021.[5] [6]
On 23 June 2023, he was promoted to the Inspector-General of Police, replacing Acryl Sani Abdullah Sani who retired on 22 June 2023.[7]
Malaysia :