Globally, Aynul (Aynul 
) is quite a common predominantly boy's, but very seldom female first name. The given name Aynul is characteristic of Bangladesh, where it is quite a rare boy's name, Qatar, and Oman, where it is a rare male name. Not in comparison with a country's population, it is the most numerous in India, Bangladesh, and Indonesia. Very seldom, Aynul is the last name as well as the forename.
Sk, Islam, Yaqin, Uddin, Mandal, Mallik, Mondal, Mollya, Mistri, Sardar, Sarkar, Shaikh, Ansari, Laskar, Mallick, Lathifa, Hossain, Hussain, Mazumder, Mazumdar, Mohammed, Tarafdar, Hqlaskar, Choudhury, Hoque, Habib, Mia, Sek, Ali, Kha, Hak, Haq, Hoq, Miah, Miya, Sekh, Bari, Khan, Gazi, Hoqe, Huda, Molla, Sheik, Shekh, Ahmed, Kabir, Hasan, Haque, and Barbhuiya