- Abkhaz: Балкантәи адгьылбжьахабжа (Balkʼantʷʼi adgʲəlbžaxabẑa)
- Albanian: Gadishulli Ballkanik (sq)
- Arabic: شِبْه جَزِيرَة البَلْقَان f (šibh jazīra(t) al-balqān)
- Hijazi Arabic: شِبْه جَزِيرَة البَلْقَان f (šibh jazīra(t) al-balgān))
- Armenian: Բալկանյան թերակղզի (hy) (Balkanyan tʻerakġzi)
- Azerbaijani: Balkan yarımadası
- Bashkir: Балҡан ярымутрауы (Balqan yarımutrawı)
- Belarusian: Балканскі паўвостраў m (Balkanski paŭvóstraŭ)
- Bengali: বলকান অঞ্চল (bolokan oncol)
- Bulgarian: Балкански полуостров m (Balkanski poluostrov)
- Carpathian Rusyn: Балканскый полуостров m (Balkanskŷj poluostrov)
- Catalan: península Balcànica f
- Chechen: Балканийн ахгӏайре (Balkaniı̇n axğajre)
- Chinese:
- Hakka: Balkan pan-tó
- Mandarin: 巴爾幹半島 / 巴尔干半岛 (zh) (Bā'ěrgàn Bàndǎo)
- Wu: 巴尔干半岛
- Chuvash: Балкан ҫурутравӗ (Balk̬an ś̬urutravĕ)
- Crimean Tatar: Balqan yarımadası
- Danish: Balkanhalvøen c (definite form. The indefinite form is not used.), Balkan
- Esperanto: Balkana duoninsulo
- Estonian: Balkani poolsaar (et)
- Faroese: Balkanhálvoyggin f
- Finnish: Balkanin niemimaa
- Georgian: ბალკანეთის ნახევარკუნძული (balḳanetis naxevarḳunʒuli)
- German: Balkanhalbinsel (de) f, Balkan (de) m
- Greek: Βαλκανική χερσόνησος f (Valkanikí chersónisos)
- Hebrew: חבל הבלקן
- Hungarian: Balkán-félsziget (hu)
- Icelandic: Balkanskagi m
- Irish: An Leithinis Bhalcánach f, Leithinis na mBalcán f
- Italian: penisola balcanica f
- Japanese: バルカン半島 (ja)
- Kabyle: Tazunegzirt n Balqan
- Kalmyk: Балкан тоха арл (Balkan toxa arl)
- Kazakh: Балқан түбегі (kk) (Balqan tübegı)
- Korean: 발칸반도 (ko) (balkanbando)
- Latvian: Balkānu pussala f
- Lithuanian: Balkanų pusiasalis m
- Macedonian: Ба́лкански Полуо́стров m (Bálkanski Poluóstrov)
- Manx: Ny Çheeraghyn Balkanagh
- Mingrelian: ბალკანეთიშ ჩქონი (balḳanetiš čkoni)
- Mongolian: Балканы хойг (Balkany xojg)
- Northern Sami: Balkannjárga
- Norwegian:
- Bokmål: Balkan
- Nynorsk: Balkan
- Ossetian: Балканы ӕрдӕгсакъадах (Balkany ærdægsak’adax)
- Polish: Półwysep Bałkański (pl) m
- Portuguese: Península Balcânica f
- Quechua: Palkan yaqa wat'a
- Romanian: Peninsula Balcanică f
- Romansch: Peninsla dal Balcan
- Russian: Балка́нский полуо́стров (ru) m (Balkánskij poluóstrov)
- Serbo-Croatian:
- Cyrillic: Балкански полуоток m, Балканско полуострво n
- Latin: Balkanski poluotok m, Balkansko poluostrvo n
- Sicilian: Pinìsula balcànica f
- Slovak: Balkánsky polostrov m
- Slovene: Balkánski pólotok m
- Somali: Jasiiradda Balkaan
- Sorbian:
- Lower Sorbian: Balkańska połkupa f
- Upper Sorbian: Balkanska połkupa f
- Spanish: Península balcánica f
- Swedish: Balkan (sv), Balkanhalvön (sv)
- Tagalog: Balkanikong Tangway
- Tajik: Нимҷазираи Балкан (Nimjazira-yi Balkan)
- Tamil: பால்கன் குடா (pālkaṉ kuṭā)
- Tatar: Балкан ярымутравы (Balkan yarımutrawı)
- Turkish: Balkan Yarımadası (tr)
- Turkmen: Balkan ýarymadasy
- Ukrainian: Балканський півострів m (Balkansʹkyj pivostriv)
- Uzbek: Bolqon yarim oroli
- Venetan: Penìzoła balcànega f
- Zhuang: Bahwjgan buendauj
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