Surname ハットリ (ハットリ 
, Hattori 
) , throughout the world, is quite a rare last name. The surname ハットリ is habitual in Guam, where it is quite a common surname, Japan, where it is quite a rare surname, and Singapore, where it is a rare surname. Not in comparison with a country's population, the name is most common in Japan, Brazil, and the United States. More prevalently, ハットリ is the forename as well as the last name.