von Hagen or vom Hagen is a surname. Notable people with the surname include:
Aga vom Hagen (1872–1949), German painter, author, and art patron Albrecht von Hagen (1904–1944), German jurist and resistance fighter Elizabeth Joanetta Catherine von Hagen (1750–1809), Dutch pianist, music educator and composer Johann Ludwig von Hagen (1492–1547), Archbishop of Trier Kristeen Von Hagen (born 1976), Canadian comedian and actor Mark von Hagen (1954–2019), American historian Victor Wolfgang von Hagen (1908–1985), American explorer, historian and anthropologist