Last name ハルマ (Haruma 
, Halma 
, ハルマ ) , across the world, is quite a rare surname. The surname ハルマ is characteristic of Netherlands, where it is quite a rare surname, Hungary, and Estonia. Not in comparison with a country's population, it is the most numerous in Nigeria, Japan, and Netherlands. Likewise, ハルマ is the forename as well as the last name.