Surname คณิตสุทธิวงศ์ (คณิตสุทธิวงศ์ 
) , across the world, is an extremely rare family name. The cognomen คณิตสุทธิวงศ์ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| คณิตสุทธิวงศ์ | Thailand |