Operators
- Afghanistan – Afghan National Army
- Algeria – 60
- Angola – 75
- Armenia – 47 + 44 in Nagorno Karabakh
- Azerbaijan – 63
- Bangladesh – KRL 122, Type 90B
- Belarus – BM-21 and BM-21A "BelGrad"
- Bosnia and Herzegovina – 6
- Bulgaria – 192 active and 200 in storage
- Burkina Faso – 10
- Central African Republic – 5
- Cambodia – 25
- Cameroon – 50
- Chad – 4
- Côte d'Ivoire – 20
- Croatia – 64
- Cuba – 240
- Cyprus – 4
- Republic of the Congo – 6
- Democratic Republic of the Congo – 6
- Djibouti - 5
- Ecuador – 10
- Egypt – 85
- Eritrea – 25
- Ethiopia – 10
- Finland – 24 units, known as 122 RAKH 76. Now withdrawn from service.
- Gaza – Hamas and other militants (including Iranian made 20 km range and Chinese 40 km range Grad variants).
- Georgia
- Greece – 86 RM-70
- Hungary – 46
- Indonesia – N/A RM-70 (operated by marines)
- India – replaced by Pinaka MBRL
- Iran – 100+
- Iraq – 55
- Israel – 50 confiscated from militant groups, not in active service
- Kazakhstan – 100
- Kyrgyzstan – 21
- Lebanon – 30-including some BM-11
- Liberia – ?
- Libya – 200+
- Mali - ?
- Mongolia - 130
- Morocco – 36
- Republic of Macedonia – 12
- Mali – 2
- Mozambique – 5
- Myanmar – 30
- Namibia – 4
- Nicaragua – 30
- Niger – 11 APR-21 and APR-40
- North Korea
- Pakistan – 40
- Peru – 14
- Poland – 219
- Romania – 352 APR-40 (124 being upgraded to LAROM)
- Russia – 750 rockets with the expired term using for training 9F839-1 Bobr
- Sahrawi Arab Democratic Republic – 10
- Somalia - 1?
- Syria – 270
- Tajikistan – 10
- Tanzania – 48
- Turkmenistan – 56
- Uzbekistan – 36
- Ukraine – 120
- USA – 75
- Venezuela – 52
- Vietnam – 90
- Yemen – 280
- Zambia – 50
- Zimbabwe – 25
Read more about this topic: BM-21 Grad