Major Wilhelm Oxenius was a German Wehrmacht officer during World War II.
Oxenius served as an aide to Colonel General Alfred Jodl during World War II as a staff officer at the Operations Directorate of the Oberkommando der Wehrmacht. He was also an Operations Officer for Panzergruppe West in France in June 1944.
Oxenius is notable for being a member and translator of the delegation that signed the German unconditional surrender at Reims on 7 May 1945 with Colonel General Jodl and General Admiral Hans-Georg von Friedeburg.
He was a prisoner of war from 10 May 1945 to 3 January 1948 and died aged 66.