Surname สัญญาณ (Signal 
, Sanyan 
, สัญญาณ ) , in the world, is quite a rare family name. The last name สัญญาณ is habitual in New Zealand, where it is quite a rare surname, Serbia, and Sweden, where it is a rare surname. Not in comparison with a country's population, the name is most common in Algeria, Ghana, and the United States. Likewise, สัญญาณ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Signal | Algeria, Bangladesh, Ghana, Indonesia, United States |
| Sanyan | China, Thailand, India, Pakistan, United States |
| สัญญาณ | Thailand |