Family name ซอลท์ (Son 
, ซอลท์ 
, Zalt 
) , across the world, is a widespread surname. The family name ซอลท์ is habitual in Saint Lucia, where it is quite a common surname, Macao, and Myanmar (explore the name in all countries). In absolute terms, it is commonest in South-eastern Asia, particularly Myanmar, Vietnam, and Indonesia. Also, ซอลท์ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Son | South Korea, Vietnam, Myanmar, India, Indonesia |
| ซอลท์ | Thailand |
| Zalt | China, United States, Turkey, Malaysia, Egypt |