Surname Ryoji (Ryoji 
, เรียวจิ 
) , all over the world, is quite a rare cognomen. The last name Ryoji is habitual in Japan, where it is a rare surname, Singapore, and China, where it is a very rare surname. In absolute terms, the name is most common in Japan, China, and Brazil. Likewise, Ryoji is the forename as well as the last name.