Surname Арлов (Arlou 
, Arlov 
, Арлов 
) , throughout the world, is a rare last name. The cognomen Арлов is characteristic of Croatia, where it is quite a rare surname, Serbia, and Estonia, where it is a rare surname. In absolute terms, it is the most numerous in Serbia, Croatia, and Russia. More prevalently, Арлов is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Arlou | Spain, Belarus, Philippines, United States, Canada |
| Arlov | Norway, Serbia, Croatia, United States, Myanmar |
| Арлов | Armenia, Russia, Ukraine, Belarus |