Cognomen Tesfaslasie (Tesfaslasie 
) , in the world, is a rare family name. The surname Tesfaslasie is habitual in Sudan, where it is a rare surname, Canada, where it is an extremely rare surname, and the United Kingdom.
| VARIANT | COUNTRY |
|---|---|
| Tesfaslasie | Canada, United States, United Kingdom, Sudan |