List of foreign volunteers
The Rhodesian Army accepted foreign volunteers, almost all of whom were required to speak English, as they were integrated into regular units (usually the Rhodesian Light Infantry) alongside locally based soldiers. The exception was 7 Independent Company, a short-lived unit made up entirely of French-speaking personnel, led by francophone officers, which existed between 1977 and 1978.

Russian: The Armed Forces of the Russian Federation have since 2010 or so begun to recruit CIS volunteers. See Armed Forces of the Russian Federation#Personnel.
A number of Russian soldiers would fight for Ukraine during the Russo-Ukrainian War as part of the Freedom of Russia Legion.
Soviet Volunteer Group, between 1937-1941 as part of the Republic of China Air Force during the Second Sino-Japanese War.
Some Russians fought for the Allies on the Western Front of WW1 as part of the Russian Legion. They were former members of the Russian Expeditionary Force.
A small group of White Russian emigres fought for Nationalist Spain as part of the Spanish Legion.
Asano Brigade, a unit of White Russian Emigres in Manchukuo.
Various Russian collaborators, nicknamed Hiwis fought in both the Wehrmacht and the Waffen SS.
Russian Emigres served in the Shanghai Volunteer Corps, a multinational volunteer force of the Shanghai International Settlement.

Serbian: Serbian Militia was a Serbian military unit of the Habsburg-Austrian army consisting of Serbs that existed between 1686–1704.
Serbian Hussar Regiment was a military unit of the Russian Imperial Army which consisted of Serbian colonists in Russia.
International Legion (Ukraine) spokesman confirms that there are indeed Serbian volunteers fighting in the legion alongside other volunteers.
Volunteers from both Serbia
and the Bosnian Serb entity, Republika Srpska, fought on the Russian side in the Donbas since the first military conflict in Ukraine in 2014

The Serb Volunteer Guard, Fought in the Croatian War of Independence and the Bosnian War supporting the Serb forces like the Army of Republika Srpska
The Serbian Guard was a Serbian volunteer organization, armed wing of the Serbian Renewal Movement, active in Croatia in 1991
Kninjas were Serbian volunteer organization commanded by Dragan Vasiljković, active in Croatia
White Eagles were Serbian volunteer organization, armed wing of the Serbian Radical Party, active in Bosnia and Croatia
Over 1,000 ethnic Serbs volunteered for the 7th SS Volunteer Mountain Division Prinz Eugen at General Phelps' office, most of whom were either ideologically or otherwise motivated to fight against the Partisans.
The Serbian Volunteer Corps was an Axis collaborationist group during WWII that helped fight against partisan forces in Serbia
First Serbian Volunteer Division was a military formation of the First World War. This independent volunteer unit was primarily made up of South Slav Habsburg prisoners of war, detained in Russia

Scottish: Scots have a long history of service in the armies of Kings of France since at least the ninth century. The Scottish Guard was formally created by the French King Charles VII in 1422, and existed until the end of the Bourbon Restoration period in 1830.

South African: South African 32 Battalion

Spanish: The Blue Division of World War II fighting with Germany against the USSR.
The Blue Legion was formed late in the Second World War out of Blue Division soldiers who refused to leave after Franco required all Spaniards to leave Axis forces.
The 9th Armoured Company of the Free French Forces, which consisted of Spanish Republican exiles
The Spanish Legion accepts foreign recruits.

Swedish: 1,600 Swedes fought for the anti-communist side of the Finnish Civil War.
Swedish volunteers took part in the Estonian War of Independence.
Swedish Volunteer Corps fighting for the Finnish side in the Winter War.
Swedish Voluntary Air Force fighting for the Finnish side in the Winter War.
Swedish Volunteer Company fighting for the Finnish side in the Continuation War.
Swedish Volunteer Battalion fighting for the Finnish side in the Continuation War.
Hundreds of Swedes volunteered in the 5th SS Panzer Division Wiking to fight against the USSR.

Swiss: Pontifical Swiss Guard
Swiss mercenaries served under the flags of many European nations including the British, Dutch, French and Spanish; as well as continue to serve as the military of the Holy See.

Taiwanese: Taiwanese Imperial Japan Serviceman
Takasago Volunteers were volunteer soldiers in the Imperial Japanese Army recruited from the Taiwanese aboriginal tribes during World War II.

Ukrainian: The 14th Waffen Grenadier Division of the SS (1st Galician) was made up nearly entirely of ethnic Ukrainians.
The Ukrainian Liberation Army was a division of the Wehrmacht that fought all over Europe.
The Nachtigall Battalion was a battalion of the Wehrmacht made up of Ukrainian nationalists who fought against the USSR.
The Roland Battalion was a battalion of the Wehrmacht made up of Ukrainian nationalists who fought against the USSR.
The Roland and Nachtigall battalions were later reorganized into the 201st Schutzmannschaft.
The Ukrainian National Army fought against the USSR in the last days of WWII.
Thousands of Hiwis were of Ukrainian origin.
From several hundred to several thousand nationalist Ukrainians served in UNA-UNSO expeditionary units. UNSO took part in the Transnistrian War 1990-1992, the Chechen War 1994-1996 ("Viking" unit), and the war in Georgia 1991-1993 ("Argo" unit).
Foreign volunteers joined the International Legion of Territorial Defense of Ukraine to defend Ukraine from the Russian Invasion in 2022.

Yugoslav: Yugoslav brigadistas (Spanish: brigadistas yugoslavos), a contingent from the Kingdom of Yugoslavia who fought beside the Republican faction (In support of the government of the Second Spanish Republic).
The 1st Yugoslav Volunteer Brigade, fought in World War II under Red Army command. Later became part of the Yugoslav Army.

See also: List of militaries that recruit foreigners
Europäische Freiwillige of the Second World War
Foreign legions
Foreign fighter
Mercenary
Military volunteer
Mujahideen
Spanish Civil War and Foreign Involvement
Foreign support in the Winter War
White Tights, alleged Baltic female snipers in Chechnya
Spanish American wars of independence


== References ==