A
- Heinrich Otto Abetz (1903–1958), German ambassador to France, sentenced to 20 years
- Muto Akira (1883–1948), Japanese army commander and member of the General High Staff, sentenced to death
- Zlatko Aleksovski (born 1960), Bosnian Croat commander of a prison facility, sentenced to 7 years
- Ali Daeem Ali (born 1940), Iraqi Baathist official, sentenced to 15 years
- Ion Antonescu (1882–1946), Romanian marshal; found guilty by the Romanian People's Tribunals; executed;
- Mihai Antonescu (1907–1946), Romanian government official; found guilty by the Romanian People's Tribunals; executed;
- Andrija Artuković (1899–1988), Croatian minister of Justice and Internal Affairs, Ustasha, sentenced to death, but died before execution
- Tariq Aziz (born 1936), Iraqi foreign minister under Saddam Hussein, awaiting execution
Read more about this topic: List Of Convicted War Criminals