Surname Sigurðr (Sigurd 
, Sigurður 
, Sjúrður ) , globally, is a rare family name. The surname Sigurðr is characteristic of Sweden, where it is quite a rare surname, Norway, where it is a rare surname, and Malaysia. In absolute terms, it is commonest in Malaysia, Sweden, and Spain. More prevalently, Sigurðr is the forename as well as the last name.