Surname Оствалд (Ostwald 
, Оствалд 
) , all around the world, is quite a rare last name. The surname Оствалд is characteristic of Germany, where it is quite a rare surname, Sweden, where it is a rare surname, and Latvia. Not in comparison with a country's population, this name is the most popular in Germany, the United States, and Brazil. Very seldom, Оствалд is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ostwald | Germany, Sweden, Australia, United States, Brazil |
| Оствалд | Russia |