| Walther von Axthelm | |
| Birth Date: | 23 December 1893 |
| Birth Place: | Hersbruck |
| Death Place: | Traunstein |
| Allegiance: | German Empire Weimar Republic |
| Branch: | Bavarian Army Reichsheer Luftwaffe |
| Serviceyears: | 1913–45 |
| Rank: | General der Flakartillerie |
| Commands: | Fallschirm-Panzer Division 1 Hermann Göring I. Flakkorps |
| Battles: | World War II |
| Awards: | Knight's Cross of the Iron Cross |
Walther Moritz Heinrich Wolfgang von Axthelm (23 December 1893 – 6 January 1972) was a German general (General der Flakartillerie) in the Luftwaffe during World War II who commanded the I Flak Corps. He was a recipient of the Knight's Cross of the Iron Cross of Nazi Germany. Axthelm served with the Ministry of Aviation (Reichsluftfahrtministerium) from 12 January 1942 to the end of March 1945, holding the position of General der Flakwaffe (Inspector of Anti-Aircraft Artillery). Axthelm surrendered to American troops in 1945 and was interned until 1947.