Cognomen 小園 (Kosono 
, Kozono 
, 小園) , around the globe, is quite a rare surname. The family name 小園 is characteristic of Japan, where it is quite a rare surname, Lithuania, where it is a rare surname, and Kyrgyzstan. Measured by absolute frequency, it is the most numerous in Japan, the United States, and Russia. Much less frequently, 小園 is the forename as well as the last name.