In all the world, 悌仔 (悌仔 
) is a very rare male forename. The given name 悌仔 is habitual in Eastern Asia, particularly China, where it is an extremely rare masculine name. Much less frequently, 悌仔 is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| 悌仔 | China |