Dag is a masculine Scandinavian given name derived from the Old Norse dagr, meaning "day" (or the name of the god Dagr, a personification of the day), most commonly used in Norway and Sweden. In Sweden, September 16 is Dag's Name Day. Dag is uncommon as a surname.
Meaning of name Dagfinn. Etymology : From the Old Norse name Dagfinnr, which was composed of the elements dagr "day" and Finnr "Sámi, person from Finland". Saint : Origin : Norwegian.
