Surname 常忍 (常忍 
) , all over the world, is an extremely rare cognomen. Predominantly, 常忍 is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| 常忍 | China |
|
富木 常忍 Buddist monk of the Kamakura period Japan, JP (b. 1216) |
|