Cognomen چالو (Jallow 
, چالو) , across the world, is a common last name. The family name چالو is habitual in Gambia, where it is a prevalent surname, Senegal, where it is quite a common surname, and Libya, where it is quite a rare surname. In absolute terms, it most frequently occurs in Gambia, Senegal, and the United States. Very seldom, چالو is the forename as well as the last name.