| Country | Military branches |
| Iran | Islamic Republic of Iran Regular Forces (Artesh): Ground Forces, Navy, Air Force of the Military of the Islamic Republic of Iran (Niru-ye Hava'i-ye Artesh-e Jomhuri-ye Eslami-ye Iran; includes air defense); Islamic Revolutionary Guard Corps (Sepah-e Pasdaran-e Enqelab-e Eslami, IRGC): Ground Forces, Navy, Air Force, Qods Force (special operations), and Basij Force (Popular Mobilization Army); Law Enforcement Forces (2008) |
| Iraq | Iraqi Armed Forces: Iraqi Army (includes Iraqi Special Operations Force, Iraqi Intervention Force), Iraqi Navy (former Iraqi Coastal Defense Force), Iraqi Air Force (former Iraqi Army Air Corps) (2005) |
| Ireland | Irish Defense Forces (Oglaigh na h-Eireann): Army (includes Naval Service and Air Corps) (2008) |
| Isle of Man | void |
| Israel | Israel Defense Forces (IDF), Israel Naval Forces (INF), Israel Air Force (IAF) (2007) |
| Italy | Italian Army (Esercito Italiano, EI), Italian Navy (Marina Militare Italiana, MMI), Italian Air Force (Aeronautica Militare Italiana, AMI), Carabinieri Corps (Arma dei Carabinieri, CC) (2008) |
| Jamaica | Jamaica Defense Force: Ground Forces, Coast Guard, Air Wing (2007) |
| Jan Mayen | void |
| Japan | Japanese Ministry of Defense (MOD): Ground Self-Defense Force (Rikujou Jietai, GSDF), Maritime Self-Defense Force (Kaijou Jietai, MSDF), Air Self-Defense Force (Koku Jieitai, ASDF) (2008) |
| Jersey | void |
| Jordan | Jordanian Armed Forces (JAF): Royal Jordanian Land Force, Royal Jordanian Navy, Royal Jordanian Air Force (Al-Quwwat al-Jawwiya al-Malakiya al-Urduniya), Special Operations Command (Socom); Public Security Directorate (normally falls under Ministry of Interior, but comes under JAF in wartime or crisis situations) (2006) |
| Kazakhstan | Ground Forces, Naval Force, Air and Air Defense Forces, Republican Guard |
| Kenya | Kenyan Army, Kenyan Navy, Kenyan Air Force (2007) |
| Kiribati | no regular military forces (constitutionally prohibited); Police Force (2008) |
| Korea, North | North Korean People's Army: Ground Forces, Navy, Air Force; civil security forces (2005) |
| Korea, South | Republic of Korea Army, Navy (includes Marine Corps), Air Force (2008) |
| Kosovo | void |
| Kuwait | Land Forces, Kuwaiti Navy, Kuwaiti Air Force (Al-Quwwat al-Jawwiya al-Kuwaitiya), National Guard (2007) |
| Kyrgyzstan | Army, Air Force, National Guard (2005) |
| Laos | Lao People's Armed Forces (LPAF): Lao People's Army (LPA; includes Riverine Force), Air Force (2008) |
| Latvia |  Latvian Republic Defense Force: Ground Forces, Navy (Latvijas Juras Speki; includes Coast Guard (Latvijas Kara Flotes)), Latvian Air Force (Latvijas Gaisa Speki), Border Guard, Latvian Home Guard (Latvijas Zemessardze) (2008) |
| Lebanon | Lebanese Armed Forces (LAF): Army (includes Navy), Air Force (2008) |
| Lesotho | Lesotho Defense Force (LDF): Army (includes Air Wing) (2008) |
| Liberia | Armed Forces of Liberia (AFL): Army, Navy, Air Force |
| Libya | Armed Peoples on Duty (APOD, Army), Libyan Arab Navy, Libyan Arab Air Force (Al-Quwwat al-Jawwiya al-Jamahiriya al-Arabia al-Libyya, LAAF) (2008) |
| Liechtenstein | no regular military forces (constitutionally prohibited); Principality of Liechtenstein National Police (Landespolizei, LP) (2008) |
| Lithuania | Ground Forces, Naval Force, Lithuanian Military Air Forces, National Defense Volunteer Forces (2005) |
| Luxembourg | Army (2007) |
| Macau | no regular military forces |
| Macedonia | Army of the Republic of Macedonia (ARM): Joint Operational Command, with subordinate Air Wing (Makedonsko Voeno Vozduhoplovstvo, MVV), Special Operations Regiment (2007) |
| Madagascar | People's Armed Forces: Intervention Force, Development Force, and Aeronaval Force (navy and air); National Gendarmerie |
| Malawi | Malawi Armed Forces: Army (includes Air Wing and Naval Detachment) (2007) |
| Malaysia | Malaysian Armed Forces (Angkatan Tentera Malaysia, ATM): Malaysian Army (Tentera Darat Malaysia), Royal Malaysian Navy (Tentera Laut Diraja Malaysia, TLDM), Royal Malaysian Air Force (Tentera Udara Diraja Malaysia, TUDM) (2008) |
| Maldives | Maldives National Defense Force (MNDF): Quick Reaction Force, Security Protection Group, Coast Guard (2007) |
| Mali | Malian Armed Forces: Army, Republic of Mali Air Force (Force Aerienne de la Republique du Mali, FARM), National Guard (2008) |
| Malta | Armed Forces of Malta (AFM; includes air and maritime elements) (2007) |