Surname خليلو (خليلو 
, Kalililo) , all around the world, is a rare family name. The family name خليلو is characteristic of Syria, where it is quite a rare surname, Algeria, where it is a rare surname, and Palestinian Territory. In absolute terms, it is commonest in Syria, Iran, and Algeria. Very seldom, خليلو is the forename as well as the last name.