Cognomen Hinkham (Hinkham 
) , in the world, is a very rare last name. The cognomen Hinkham is habitual in Thailand, where it is a rare surname, and the United States, where it is an extremely rare surname. Very seldom, Hinkham is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Hinkham | United States, Thailand |