Audun Weltzien
Audun Hultgreen Weltzien is a Norwegian orienteering competitor.
He competed at the 2009 World Orienteering Championships in Miskolc, where he placed 19th in the middle distance, and participated on the Norwegian relay team. In 2003 he won a silver medal in the relay at the Junior World Orienteering Championships.
He represents the club IL Tyrving. He is a son of Eystein Weltzien and the older brother of Ingunn Weltzien.