Across the world, ארלו (Arlo 
, ארלו 
) is quite a rare male forename. The given name ארלו is characteristic of Philippines, where it is quite a rare masculine name, the United States, where it is a rare masculine name, and Nicaragua. Not in comparison with a country's population, this name is the most popular in the United States, Philippines, and Indonesia. Much less frequently, ארלו is the last name as well as the forename.