Editing M109 howitzer (section)

=== Current ===

==== M109A1 ====
* {{DJI}} − 10 M109L as of 2024,{{sfn|IISS|2024|page=488}} former Italian vehicles<ref name="SIPRI">{{cite web |title=Arms transfer database |url=https://armstransfers.sipri.org/ArmsTransfer/TransferRegister |website=Stockholm International Peace Research Institute |access-date=14 May 2024}}</ref>
* {{GRE}} − 51 M109A1B in 2011.{{sfn|Foss|2011|page=870}} 418 M109A1B/A2/A3GEA1/A5 in service as of 2024{{sfn|IISS|2024|page=100}}
* {{IRQ}} − 6 M109A1 as of 2024{{sfn|IISS|2024|page=358}}
* {{IRN}} − 150+ M109A1 including [[Raad-2]]s in service as of 2024{{sfn|IISS|2024|page=353}}
* {{JOR}} − 358 M109A1/A2 in service as of 2024{{sfn|IISS|2024|page=364}}
* {{MAR}} − 36 M109A1B in 2011,{{sfn|Foss|2011|page=870}} ca. 130 M109A1/A1B/A2/A3/A4 in service as of 2024{{sfn|IISS|2024|page=374}}
* {{SAU}} − 87 M109A1B in 2011,{{sfn|Foss|2011|page=870}} 110 M109A1B/A2 as of 2024{{sfn|IISS|2024|page=382}}

==== M109A2/A3/A3B ====
* {{BRA}} − 37 M109A3 as of 2024,{{sfn|IISS|2024|page=417}} will be refurbished{{sfn|IISS|2024|page=398}}
* {{CHI}} − 24 M109A3 as of 2024{{sfn|IISS|2024|page=421}}
* {{GRE}} − 84 M109A2, and 50 M109A3GE in 2011.{{sfn|Foss|2011|page=870}} 418 M109A1B/A2/A3GEA1/A5 in service as of 2024{{sfn|IISS|2024|page=100}}
* {{EGY}} − 164 M109A2 as of 2024{{sfn|IISS|2024|page=348}}
* {{JOR}} − 108 M109A2 in 2011,{{sfn|Foss|2011|page=870}} 358 M109A1/A2 in service as of 2024{{sfn|IISS|2024|page=364}}
* {{KWT}} − 37 M109A3 as of 2024{{sfn|IISS|2024|page=366}}
* {{LBN}} − 12 M109A2 as of 2024{{sfn|IISS|2024|page=368}}
* {{MAR}} − 3 M109A2 in 2011,{{sfn|Foss|2011|page=870}} ca. 130 M109A1/A1B/A2/A3/A4 in service as of 2024{{sfn|IISS|2024|page=374}}
* {{PAK}} − 200 A2 and 123 M109L as of 2024{{sfn|IISS|2024|page=302}}
* {{PER}} − 12 M109A2 as of 2024{{sfn|IISS|2024|page=447}}
* {{SAU}} − 24 in 2011,{{sfn|Foss|2011|page=870}} 110 M109A1B/A2 as of 2024{{sfn|IISS|2024|page=382}}
* {{ESP}} − 6 M109A2 used by the [[Spanish Marine Infantry|Marine Infantry]] as of 2024{{sfn|IISS|2024|page=140}}
* {{TWN}} − 197 M109A2 in 2011,{{sfn|Foss|2011|page=870}} 225 M109A2/A5 as of 2024{{sfn|IISS|2024|page=315}}
* {{UKR}} − 23 M109A3GN and 60 M109L delivered between 2022 and 2023.<ref name="SIPRI" /> 90 M109A3GN/A4/A5Öe/A6/L in service as of 2024{{sfn|IISS|2024|page=212}}
* {{UAE}} − 85 M109A3 as of 2024{{sfn|IISS|2024|page=391}}

==== M109A4 ====
* {{INA}} − 36 M109A4 as of 2024<ref>{{Cite web |last=indomiliter |date=2018-07-12 |title=Gelombang Kedua M109A4 BE Tiba, Armed TNI AD Kini Punya 36 Unit Self Tracked Propelled Howitzer |url=https://www.indomiliter.com/gelombang-kedua-m109a4-be-tiba-armed-tni-ad-kini-punya-36-unit-self-tracked-propelled-howitzer/ |access-date=2025-01-11 |website=Indomiliter.com |language=en-US}}</ref><ref>{{Cite web |last=office_zzam |date=2018-07-12 |title=Indonesia takes delivery of 18 second-hand Belgian M109A4 155mm self-p |url=https://www.armyrecognition.com/news/army-news/2018/indonesia-takes-delivery-of-18-second-hand-belgian-m109a4-155mm-self-propelled-howitzers |access-date=2025-01-11 |website=www.armyrecognition.com |language=en-gb}}</ref>
* {{MAR}} − ca. 130 M109A1/A1B/A2/A3/A4 in service as of 2024{{sfn|IISS|2024|page=374}}
* {{UKR}} − 28 M109A4BE delivered in 2022.<ref name="SIPRI" /> 90 M109A3GN/A4/A5Öe/A6/L in service as of 2024{{sfn|IISS|2024|page=212}}

==== M109A5 ====
* {{AUT}} − 48 M109A5Öe as of 2024{{sfn|IISS|2024|page=72}}
* {{BHR}} − 20 M109A5 as of 2024{{sfn|IISS|2024|page=348}}
* {{BRA}} − 40 M109A5 and 32 M109A5+ as of 2024{{sfn|IISS|2024|page=421}}
* {{CHI}} − 24 M109A5+ as of 2024{{sfn|IISS|2024|page=417}}
* {{GRE}} − 12 M109A5 in 2011.{{sfn|Foss|2011|page=870}} 418 M109A1B/A2/A3GEA1/A5 in service as of 2024{{sfn|IISS|2024|page=100}}
* {{EGY}} − 204 M109A5 as of 2024{{sfn|IISS|2024|page=348}}
* {{IRQ}} − 24 M109A5 as of 2024{{sfn|IISS|2024|page=358}}
* {{ISR}} − 250 M109A5 as of 2024{{sfn|IISS|2024|page=361}}
* {{LAT}} − 59 M109A5Öe as of 2024{{sfn|IISS|2024|page=112}}
* {{LBN}} − 24 M109A5 as of 2024{{sfn|IISS|2024|page=368}}
* {{MAR}} − 70 M109A5 as of 2024{{sfn|IISS|2024|page=374}}
* {{PAK}} − ca. 115 M109A5 as of 2024{{sfn|IISS|2024|page=302}}
* {{POR}} − 18 M109A5 as of 2024{{sfn|IISS|2024|page=128}}
* {{ESP}} − 95 M109A5 as of 2024{{sfn|IISS|2024|page=140}}
* {{TWN}} − 28 M109A5 in 2011,{{sfn|Foss|2011|page=870}} 225 M109A2/A5 as of 2024{{sfn|IISS|2024|page=315}}
* {{THA}} − 20 M109A5 as of 2024{{sfn|IISS|2024|page=319}}
* {{UKR}} − 6 M109A5Öe delivered in 2022.<ref name="SIPRI" /> 90 M109A3GN/A4/A5Öe/A6/L in service as of 2024{{sfn|IISS|2024|page=212}}

==== M109A6 Paladin ====
* {{USA}} − Estimated 370 M109A6 in service, ca. 850 M109A6 in storage as of January 2025 <ref name="Military Balance 2025">{{cite book |title=The Military Balance |date=2025 |publisher=[[International Institute for Strategic Studies]] |isbn=978-1-041-04967-8}}</ref>{{rp|37}}{{sfn|IISS|2024|page=39}}
* {{UKR}} − 18 M109A6s delivered in 2023.<ref name="SIPRI" /> 90 M109A3GN/A4/A5Öe/A6/L in service as of 2024{{sfn|IISS|2024|page=212}}

==== M109A7 ====
* {{USA}} − Estimated 300 M109A7 as of January 2025 <ref name="Military Balance 2025">{{cite book |title=The Military Balance |date=2025 |publisher=[[International Institute for Strategic Studies]] |isbn=978-1-041-04967-8}}</ref>{{rp|37}}{{sfn|IISS|2024|page=39}}

==== KAWEST/KAWEST WE ====
* {{CHE}} − 133 M109 KAWEST WE as of 2024{{sfn|IISS|2024|page=145}}

==== K55A1 ====
* {{ROK}} − 1,180 K55A1 in service with the [[Republic of Korea Army|Army]] and the [[Republic of Korea Marine Corps|Marine Corps]].<ref>{{Cite web |date=2022-04-24 |title=미·러, 사거리 100km 미래형 자주포 경쟁에 K-9도 진화 중 |url=https://www.g-enews.com/ko-kr/news/article/news_all/20220424132740533414fb262fcb_1/article.html |access-date=2024-09-07 |website=글로벌이코노믹 |language=ko}}</ref>