Across the world, 笃凯 (笃凯 
) is a very rare boy's forename. The forename 笃凯 is habitual in Eastern Asia, particularly China, where it is an extremely rare masculine name. Much less frequently, 笃凯 is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| 笃凯 | China |