Across the world, Райнгард-Тройняк (Райнгард-Тройняк 
) is an extremely rare unknown gender given name. Predominantly, Райнгард-Тройняк is the last name as well as the forename. Parts of the name also exists independently as a last name Райнгард, and a last name Тройняк.
| VARIANT | COUNTRY |
|---|---|
| Райнгард-Тройняк | Ukraine |