Family name Singsavaddy (Singsavaddy 
) , throughout the world, is an extremely rare cognomen. The family name Singsavaddy is habitual in Northern America, particularly the United States, where it is an extremely rare surname. Much less frequently, Singsavaddy is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Singsavaddy | United States |