Valdimar

Valdimar is a given name in Icelandic. Notable persons with that name include:
;First name

Valdimar Bergstað, Icelandic equestrian
Valdimar Briem, Icelandic poet, prelate, hymnwriter and translator
Valdimar Grímsson, Icelandic handball player
Valdemar, King of Sweden, king in 1250–1275

;Middle name

Kristjan Valdimar "Val" Bjornson, or Val Bjornson, American writer, newspaper editor, and politician

;Music

Valdimar (band), Icelandic musical group