Kristoffer Kruken - Ola Stemshaug: Norsk personnamnleksikon, Det Norske Samlaget, Oslo 1995, ISBN 82-521-4483-7
Statistisk sentralbyrå, Namnestatistikk: 26 305 males with the given name Svein living in Norway on January 1st 2011, with the frequency peak in the 1940s. Accessed on April 29th, 2011.
Etymology
From Old NorseSveinn, from sveinn(“boy, servant”), with similar meaning in modern Norwegian. Cognate with Swedish Sven and Danish Svend.