| Honorific Prefix: | Yang Berbahagia Dato' Seri |
| Mohd Shuhaily Mohd Zain | |
| Native Name: | Malay: {{Script|Arab|محمد سهوهاءيلي محمد زين |
| Office: | Director of the Criminal Investigation Department of Police |
| Term Start: | 15 August 2023 |
| Minister: | Saifuddin Nasution Ismail |
| Predecessor: | Ayob Khan Mydin Pitchay |
| 1Blankname: | Inspector-General |
| 1Namedata: | Razarudin Husain |
| Office2: | Kuala Lumpur Police Chief |
| Term Start2: | 15 May 2023[1] |
| Term End2: | 15 August 2023 |
| Primeminister2: | Anwar Ibrahim |
| Minister2: | Saifuddin Nasution Ismail |
| Predecessor2: | Abu Samah Mohd Noor |
| Successor2: | Allaudeen Abdul Majid |
| Office3: | Penang Police Chief |
| Term Start3: | 1 July 2021[2] |
| Term End3: | 15 May 2023 |
| Primeminister3: | Muhyiddin Yassin Ismail Sabri Yaakob Anwar Ibrahim |
| Minister3: | Hamzah Zainudin Saifuddin Nasution Ismail |
| Predecessor3: | Sahabudin Abd Manan |
| Successor3: | Khaw Kok Chin |
| Birth Name: | Mohd Shuhaily bin Mohd Zain |
| Birth Date: | 12 July 1972 |
| Birth Place: | Kuala Lumpur, Malaysia |
| Spouse: | Ennie Salina Roseli |
| Occupation: | Police officer |
| Alma Mater: | International Islamic University Malaysia |
Dato' Seri Mohd Shuhaily bin Mohd Zain (Jawi: محمد سهوهاءيلي بن محمد زين; born 12 July 1972), or nicknamed as Haily, is a Malaysian police officer who has served as the Director of the Criminal Investigation Department of Police since August 2023.[3]
Mohd Shuhaily bin Mohd Zain was born in Kuala Lumpur on 12 July 1972. His father, Mohd Zain bin Ismail was a traffic policeman in Kuala Lumpur. His father also served in Police Field Force (PPH) during the Second Communist Uprising in Malaysia.[4]
Mohd Shuhaily is an International Islamic University Malaysia (UIAM) graduate. He also received intensive training from Federal Bureau of Investigation (FBI) academy in Quantico, Virginia early mid 2002 during his rank as Assistant Superintendent of Police (ASP).
Mohd Shuhaily has served as Chief of Police for the Lower Perak District, Chief of Pahang Special Branch, deputy director of Bukit Aman Special Branch, Penang Police Chief and Kuala Lumpur Police Chief.[5] He was assigned to assume duties as the Director of the Criminal Investigation Department of Police (JSJ) from 15 August 2023 replacing Ayob Khan Mydin Pitchay.[6]