Weltzien

Weltzien is a surname. Notable people with the surname include:


 * Audun Weltzien (born 1983), Norwegian orienteering competitor
 * Eystein Weltzien (born 1949), Norwegian orienteering competitor
 * Ingunn Hultgreen Weltzien (born 1986), Norwegian orienteering competitor and cross-country skier
 * Karl Weltzien (1813–1870), German scientist
 * Ludwig von Weltzien (1815–1870), Prussian lieutenant general