| Gender | Male |
|---|---|
| Region | Lithuania |
| Language | Lithuanian |
| Variant forms | Valdemar, Valdemár, Valdemaro, Voldemar, Voldemārs, Waldemar, Woldemar |
| Related names | Vladimir |
| Name day | 2 February |
Valdemaras is a Lithuanian masculine given name, from Old High German name Waldemar. Its shortened form is Valdas.
The equivalent forms in other languages are:
- Scandinavian, Finnish : Valdemar
- Estonian : Voldemar
- German : Waldemar, Woldemar
- Hungarian : Valdemár
- Italian : Valdemaro
- Latvian : Voldemārs
Individuals with the name Valdemaras include:
- Valdemaras Chomičius (born 1959), Soviet and Lithuanian basketball player
- Valdemaras Katkus (born 1958), Lithuanian politician
- Valdemaras Martinkėnas (1965–2004), Soviet and Lithuanian footballer
- Valdemaras Venckaitis (born 1983), Lithuanian Greco-Roman wrestler