Cognomen 哒哒 (哒哒 
) , around the globe, is a very rare last name. The family name 哒哒 is characteristic of Eastern Asia, particularly China, where it is an extremely rare surname. Much more prevalently, 哒哒 is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| 哒哒 | China |