Cognomen Тэцудзи (Tetsuji 
, Тэцудзи) , throughout the world, is a rare surname. The cognomen Тэцудзи is characteristic of Japan, where it is a rare surname, Singapore, and Cambodia. In absolute terms, this name is the most popular in Japan, China, and Cambodia. Much less frequently, Тэцудзи is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Tetsuji | Cambodia, China, Brazil, United States, Japan |