Last name Westephal (Westephal 
) , throughout the world, is an extremely rare family name. The family name Westephal is habitual in Latin America and the Caribbean, particularly Brazil, where it is an extremely rare surname. Much more frequently, Westephal is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Westephal | Brazil, Democratic Republic of the Congo |