Irregular military
any non-standard military organization
Irish Citizen Army
Army of Mujahideen
Estonian Defence League
1st Brigade
privateer
paramilitary
Syrian Democratic Forces
hajduk
National Liberation Army
Popular Front for the Liberation of Palestine – External Operations
15 May Organization
Grupo Colina
Irregular Warfare Headquarters
Red and Black Column
Northeast Anti-Japanese United Army
South Ebro Column
Black Company
Combat 18