- Afrikaans:akkordeon,trekklavier
- Albanian:fizarmonikë (sq) f
- Amharic:አኮርዲዮን(ʾäkordiyon)
- Arabic:أَكُورْدِيُون m(ʔakurdiyūn)
- Armenian:ակորդեոն (hy)(akordeon)
- Asturian:acordión f
- Azerbaijani:akkordeon
- Basque:akordeoi;eskusoinu
- Belarusian:акардэо́н m(akardeón)
- Bengali:অ্যাকর্ডিয়ন (bn)(êkorḍiẏon),বাদ্যযন্ত্রবিশেষ(baddojontrobiśeś)
- Breton:akordeon m
- Bulgarian:хармо́ника f(harmónika),акордео́н (bg) m(akordeón)
- Burmese:အကော်ဒီယံ (my)(a.kaudiyam)
- Catalan:acordió (ca) m
- Chinese:
- Cantonese:手風琴 /手风琴(sau2 fung1 kam4)
- Hokkien:手風琴 /手风琴 (zh-min-nan)(chhiú-hong-khîm / chhiú-hoang-khîm)
- Mandarin:手風琴 /手风琴 (zh)(shǒufēngqín)
- Wu:手風琴 /手风琴(5seu-fon-jin)
- Czech:akordeon m,harmonika (cs) f
- Danish:trækharmonika c,harmonika (da) c,akkordeon (da) n(with free-bass system)
- Dutch:accordeon (nl) n,harmonica (nl) m
- Esperanto:akordiono
- Estonian:akordion (et);lõõtspill
- Faroese:harmonika f
- Finnish:harmonikka (fi),haitari (fi),hanuri (fi)
- French:accordéon (fr) m
- Galician:acordeón (gl) m
- Georgian:აკორდეონი (ka)(aḳordeoni)
- German:Akkordeon (de) n,Ziehharmonika (de) f,Handharmonika f,Handorgel (de) f,(regional)Quetsche (de) f,(slangy, humorous)Quetschkommode (de) f,Schifferklavier (de) n
- Greek:ακορντεόν (el) n(akornteón)
- Hebrew:אָקּוֹרְדִּיּוֹן (he) m(akordiyón)
- Hindi:अकॉर्डियन(akŏrḍiyan)
- Hungarian:harmonika (hu),tangóharmonika (hu)
- Ido:akordeono (io)
- Indonesian:akordeon (id)
- Interlingua:accordion
- Irish:cairdín m,acordán m
- Italian:fisarmonica (it) f
- Japanese:アコーデオン (ja)(akōdeon),手風琴 (ja)(てふうきん, tefūkin)
- Kazakh:аккордеон(akkordeon)
- Khmer:អគ័រដេអុង(ʼɑɑkɔədeeʼong)
- Korean:아코디언 (ko)(akodieon),수풍금(supunggeum)
- Kurdish:
- Northern Kurdish:akordiyon
- Kyrgyz:аккордеон (ky)(akkordeon)
- Latin:accordio f
- Latvian:akordeons m
- Lithuanian:akordeonas m
- Macedonian:армоника f(armonika),хармоника f(harmonika),акордео́н m(akordeón)
- Malay:akordion,tetarik
- Manx:coardeen m
- Maori:kōriana
- Mongolian:
- Cyrillic:баян хуур(bajan xuur),аккордеон(akkordeon)
- Mongolian:ᠪᠠᠶᠠᠨ
ᠬᠤᠭᠤᠷ(bayan quɣur)
- Norman:accordéon m(Jersey)
- Norwegian:
- Bokmål:trekkspell n,trekkspill n,dragspell n,dragspill n,trekkharmonika m,harmonika m,akkordeon (no) n
- Nynorsk:trekkspel n,dragspel n,trekkharmonika m,harmonika m,akkordeon n
- Nǀuu:treklefirsi
- Pashto:اکوردیون m(akordún)
- Persian:آکاردئون (fa)(âkârde'on)
- Polish:akordeon (pl) m inan,harmonia ręczna f
- Portuguese:acordeão (pt) m,gaita (pt) f(South Brazil),sanfona (pt) f
- Romanian:acordeon (ro) n
- Russian:гармо́ника (ru) f(garmónika),гармо́нь (ru) f(garmónʹ),аккордео́н (ru) m(akkordeón),бая́н (ru) m(baján)
- Scottish Gaelic:bogsa-ciùil m
- Serbo-Croatian:
- Cyrillic:хармо̀ника f
- Roman:harmònika (sh) f
- Skolt Sami:garmaan
- Slovak:harmonika (sk) f,akordeón m
- Slovene:harmọ́nika (sl) f
- Southern Altai:кагас комыс(kagas komïs)
- Spanish:acordeón (es) m
- Swahili:kodiani,harimuni (sw)
- Swedish:dragspel (sv) n,handklaver (sv) n(folksy),dragharmonika (sv) c(dated),bälgaspel (sv) n(dialectal),ackordeon (sv) n,ackordion (sv) n,harmonika (sv) c
- Tagalog:akordeyon,akurdyon
- Tajik:аккордеон(akkordeon)
- Thai:หีบเพลงชัก(hìip-pleeng-chák),หีบเพลง(hìip-pleeng),แอกคอร์เดียน(ɛ́k-kɔɔ-dîian)
- Tibetan:ལག་སྦྲེང(lag sbreng)
- Turkish:akordiyon (tr)
- Turkmen:akkordeon (tk)
- Tuvan:аккордеон(akkordeon)
- Ukrainian:акордео́н (uk) m(akordeón),гармо́нія (uk) f(harmónija)
- Uyghur:ئاككوردىيون(akkordiyon)
- Uzbek:akkordeon (uz)
- Vietnamese:phong cầm (vi) (風琴),đàn xếp (彈疊)
- Volapük:tiraharmonöm
- Welsh:acordion m,cordion m(colloquial)
- Yakut:аккордеон(akkordeon)
- Yiddish:אַקאָרדעאָן m(akordeon)
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