Surname Ren-Shi (Ren-Shi 
) , in the world, is a rare family name. The cognomen Ren-Shi is habitual in Eastern Asia, particularly Japan, where it is a rare surname. More frequently, Ren-Shi is the forename as well as the last name. Parts of the name also exists independently as a last name Ren, and a last name Shi.
| VARIANT | COUNTRY |
|---|---|
| Ren-Shi | Japan |