Matthias Starl
German captain; Hostages Trial affiant
- Born: 1914-07-03 (Passau)
- Country of citizenship: Germany
- Occupation: military officer
- Member of: XXII Mountain Corps (Wehrmacht) (period: 1943-09-03 through 1946-09-14)
- Participant in: Hostages Trial (date: 1947-08-20; role: affiant)
- Significant person: Hubert Lanz
- Military branch: Wehrmacht (military rank: captain)
- Residence: Aeschach