Walther Serini
German military officer
- Born: 1894-01-12 (Düsseldorf)
- Occupation: military officer
- Participant in: Hostages Trial (date: 1947-08-19; role: affiant)
- Significant person: Wilhelm List
- Military branch: Wehrmacht (military rank: general)
- Place of detention: Island Farm (date: 1947-08-19)