Cognomen Khalilu (Khalilu 
) , in the world, is a rare family name. The last name Khalilu is habitual in Nigeria, where it is a rare surname, and India, where it is an extremely rare surname. More frequently, Khalilu is the forename as well as the last name.
Musa, Rehman, Tijani, Nasiru, Hassan, Hajara, Idavan, Mwalimu, Agboola, Rahaman, Ridwanu, Fofanah, Ibrahim, Mansaray, Mohammed, Muhammad, Muhammed, Alhassan, Abubakar, Rarhaman, Rahman, Pathan, Kromah, Kamilu, Abdu, Audu, Khan, Deen, Imam, Sekha, Aliyu, Aruna, Adamu, Rrahaman, Auwal, Toure, Najma, Nisha, Shaikh, Sillah, Sirajo, Ansari, Chumba, Kamara, Rabiu, and Abdullahi