von Hagen or vom Hagen is a surname. Notable people with the surname include:
- Aga vom Hagen (1872âÂÂ1949), German painter, author, and art patron
- Albrecht von Hagen (1904âÂÂ1944), German jurist and resistance fighter
- Elizabeth Joanetta Catherine von Hagen (1750âÂÂ1809), Dutch pianist, music educator and composer
- Johann Ludwig von Hagen (1492âÂÂ1547), Archbishop of Trier
- Kristeen Von Hagen (born 1976), Canadian comedian and actor
- Mark von Hagen (1954âÂÂ2019), American historian
- Victor Wolfgang von Hagen (1908âÂÂ1985), American explorer, historian and anthropologist