Sigvard is a name of Scandinavian origin, derived from the Old Norse elements 'sigr' meaning victory and 'vardr' signifying guard or protection. It's composed as Sigurd, but with an extra 'v'. This name has been used in Scandinavia since the Middle Ages and was brought to Sweden by the Vasa dynasty.
The name Sigvard had only five occurrences in births annually during 1917.