Globally, 口爹刀 (口爹刀 
) is a very rare male forename. The given name 口爹刀 is characteristic of Eastern Asia, particularly China, where it is an extremely rare boy's name. Very seldom, 口爹刀 is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| 口爹刀 | China |