Cognomen Khairol (Khairol 
) , in all the world, is a rare surname. The last name Khairol is characteristic of Malaysia, where it is quite a rare surname, Singapore, where it is a rare surname, and China, where it is an extremely rare surname. More prevalently, Khairol is the forename as well as the last name.
Ali, Haron, Hamid, Hafiz, Ishak, Islam, Izhar, Izwan, Salleh, Suberi, Abidin, Khalid, Khamis, Rahman, Razali, Nordin, Hassan, Hisham, Ismail, Othman, Mohamad, Mohamed, Nizam, Abdullah, Rizal, Azwan, Mohd, Shah, Amir, Amin, Amri, Azam, Aziz, Azmi, Azli, Khai, Naim, Omar, Anuar, Anwar, Akmal, Ahmad, Azizi, Azuan, Azhar, Azman, Azlan, Ramli, and Kamaruddin