Surname Тацуми (Tatsumi 
, 辰巳 , Tacumi 
) , around the world, is quite a rare family name. The family name Тацуми is habitual in Japan, where it is quite a rare surname, Hong Kong, where it is a rare surname, and Singapore. Not in comparison with a country's population, this name is the most popular in Japan, Indonesia, and China. Also, Тацуми is the forename as well as the last name.