Surname کالو (Kalo 
, Kahlo 
, کالو) , globally, is a common last name. The cognomen کالو is habitual in Vanuatu, where it is a common surname, Hungary, where it is quite a common surname, and Fiji (explore the name in all countries). Not in comparison with a country's population, it is commonest in India, Pakistan, and Hungary. Also, کالو is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kalo | Bangladesh, Hungary, Pakistan, India, Madagascar |
| Kahlo | Germany, Pakistan, United States, India, Saudi Arabia |