Last name かつみ (Katsumi 
, かつみ) , across the world, is quite a rare surname. The last name かつみ is habitual in Japan, where it is quite a rare surname, Singapore, where it is a rare surname, and China, where it is a very rare surname. Measured by absolute frequency, it is the most numerous in Japan, China, and Indonesia. Also, かつみ is the forename as well as the last name.