Last name Valdemārs (Valdemars 
, Valdemārs , Валдемарс 
) , around the globe, is a very rare cognomen. The cognomen Valdemārs is characteristic of Latvia, where it is quite a rare surname, Czechia, where it is a rare surname, and Venezuela, where it is an extremely rare surname. Also, Valdemārs is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Valdemars | Czechia, Latvia, United States, United Kingdom, Germany |
| Valdemārs | Latvia |
| Валдемарс | Ukraine |
Valdemar, Valdemaras, Valdis, Woldemar, Валдемарас, Вальдемар, Вальдемарас, Вальдемарс, and Вольдемар
|
krišjānis valdemārs Latvian writer, LV (b. 1825) |
|
| mārtiņš valdemārs |
|