Worldwide, Fayzul (Fayzul 
) is quite a rare masculine first name. The first name Fayzul is characteristic of Bangladesh, where it is a rare boy's name, Saudi Arabia, and India, where it is a very rare boy's name. Much less frequently, Fayzul is the last name as well as the forename.
Ali, Pasha, Tamal, Hasan, Haque, Hoque, Islam, Uddin, Murawi, Kobir, Sardar, Rahman, Laskar, Mostafa, Mostafi, Mofazil, Jaygirdar, Wadiwala, Choudhury, Sarkar, Chowdhury, Kabir, Ahmed, Haq, Hoq, Huq, Hye, Miah, Sekh, Alam, Aziz, Karim, Bari, Raju, Razu, Hoda, Hoqe, Omar, Molla, Anwar, Ammar, Khan, and Barbhuiya