Operators
- Albania - Type 66.
- Angola
- Armenia
- Azerbaijan
- Belarus
- Bulgaria
- Georgia
- People's Republic of China - Type 66.
- Cambodia
- Congo
- Croatia - M84 NORA-A.
- Egypt
- Finland - Ex-East German. Known as 152 H 55.
- Hungary
- Iran
- Iraq - Type 66.
- Kazakhstan
- Myanmar - 35 delivered in 2009 from DPRK.
- North Korea
- Moldova
- Nicaragua
- Nigeria - 4 M81/M85 from Romanian Army stocks.
- Poland
- Romania - The Romanian Army has 329 M81 howitzers (245 in service) and 111 M85 gun-howitzers.
- Russia
- Serbia - M84 NORA-A.
- Sri Lanka - Type 66.
- Syria
- Turkey
- Turkmenistan
- Ukraine
- Uzbekistan
- Vietnam
- Yemen
Read more about this topic: 152 Mm Towed Gun-howitzer M1955 (D-20)