Family name ดาร (Dan 
, ดาร 
) , around the globe, is a widespread cognomen. The surname ดาร is habitual in Romania, where it is a common surname, U.S. Virgin Islands, and Israel (explore the name in all countries). In absolute terms, it is the most numerous in China, India, and Romania. Also, ดาร is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Dan | China, Nigeria, India, United States, Romania |
| ดาร | Thailand |