- A-Hmao: 𖽐𖼊𖽠𖾑
- Abaza: книга (kniga), апхьага (apxʲaga), кьтап (kʲtap)
- Abkhaz: ашәҟәы (aŝʷqʷʼə)
- Adyghe: тхылъ (txəlˢ)
- Afar: kitab
- Afrikaans: boek (af)
- Aghwan: 𐕁𐔼𐕗 (d'iṗ)
- Ainu: カㇺビソㇱ (kambisosh)
- Alabama: holisso
- Albanian: libër (sq) m
- Ambonese Malay: buku
- Amharic: መጽሃፍ (mäṣhaf)
- Apache:
- Western Apache: nałtsoos
- Arabic: كِتَاب (ar) m (kitāb), مُصْحَف m (muṣḥaf) (used to refer to the book of Quran), سِفْر (ar) m (sifr) (rare, mainly used by Christians to refer to the books of the bible)
- Algerian Arabic: كتاب m (ktāb)
- Egyptian Arabic: كتاب m (ketāb)
- Iraqi Arabic: كِتَاب m
- Juba Arabic: kitaab
- Moroccan Arabic: كتاب m (ktāb)
- North Levantine Arabic: كتاب (ktāb, ktēb)
- Tunisian Arabic: كتاب m (ktēb)
- Aragonese: libro m
- Armenian: գիրք (hy) (girkʻ)
- Aromanian: vivlie, carte
- Assamese: কিতাপ (kitap), পুথি (puthi)
- Asturian: llibru (ast) m
- Atayal: biru'
- Atong (India): kitap
- Avar: тӏехь (tʼex̂), таптар (taptar), тӏахьал (tʼax̂al)
- Aymara: panka
- Azerbaijani: kitab (az)
- Bambara: gafɛ
- Bashkir: китап (kitap)
- Basque: liburu (eu)
- Belarusian: кні́га (be) f (kníha), кні́жка f (knížka)
- Bengali: বই (bn) (boi), কিতাব (bn) (kitab), গ্রন্থ (bn) (grontho), পুস্তক (bn) (pustok)
- Biatah Bidayuh: buk
- Bislama: buk
- Breton: levr (br) m
- Bulgarian: кни́га (bg) f (kníga)
- Burmese: စာအုပ် (my) (caup)
- Buryat: ном (nom)
- Carpathian Rusyn: кни́га f (knýha)
- Catalan: llibre (ca) m
- Central Dusun: buuk
- Chagatai: كتاب (kitab)
- Chamorro: lepblo
- Chechen: кинишка (kiniška), китаб (kitab), книга (kniga), книшка (kniška), кинчка (kinčka), жайна (žajna)
- Cherokee: ᏗᎪᏪᎵ (digoweli), ᎪᏪᎵ (chr) (goweli)
- Cheyenne: mȯxe'ėstoo'e
- Chichewa: buku
- Chinese:
- Cantonese: 書/书 (syu1)
- Dungan: фу (fu)
- Eastern Min: 書/书 (cṳ̆)
- Gan: 書/书 (xy1)
- Hakka: 書/书 (sû)
- Hokkien: 冊/册 (zh-min-nan) (chheh), 書/书 (zh-min-nan) (chu)
- Jin: 書/书 (su1)
- Mandarin: 書/书 (zh) (shū)
- Northern Min: 書/书 (sṳ́)
- Wu: 書/书
- Xiang: 書/书 (xy1)
- Chuvash: кӗнеке (kĕnek̬e)
- Classical Syriac: ܟܬܒܐ m (kṯāḇā)
- Coastal Kadazan: buuk
- Coptic: ϫⲱⲙ m (čōm)
- Cornish: lyver m
- Corsican: libru (co) m
- Crimean Tatar: kitap
- Czech: kniha (cs) f
- Dalmatian: lebro m
- Danish: bog (da) c
- Dhivehi: ފޮތް (fot̊)
- Dutch: boek (nl) n
- Egyptian: (mḏꜣt f), (šfdw m)
- Elfdalian: buok f
- Erzya: конёвкс (końovks), кинига (kińiga)
- Esperanto: libro (eo)
- Estonian: raamat (et)
- Evenki: книга (kņiga)
- Ewe: agbalẽ
- Extremaduran: llibru m
- Fala: libru m
- Faroese: bók (fo) f
- Fijian: vola (fj), ivola
- Finnish: kirja (fi)
- French: livre (fr) m, bouquin (fr) m
- Friulian: libri m
- Fula:
- Adlam: 𞤣𞤫𞤬𞤼𞤫𞤪𞤫
- Latin: deftere
- Gagauz: kitap
- Galician: libro (gl) m
- Ge'ez: መጽሐፍ (mäṣḥäf)
- Georgian: წიგნი (ka) (c̣igni)
- German: Buch (de) n
- Alemannic German: Buech n
- Central Franconian: Boch n
- Pennsylvania German: Buch n
- Gilaki: کیتاب (kitāb)
- Gilbertese: boki
- Gothic: 𐌱𐍉𐌺𐍉𐍃 f pl (bōkōs)
- Greek: βιβλίο (el) n (vivlío), τόμος (el) m (tómos)
- Ancient: βιβλίον n (biblíon)
- Green Hmong: phoo, phoo ntawv
- Greenlandic: atuagaq
- Guaraní: kuatiañe'ẽ (gn), aranduka
- Gujarati: પુસ્તક (gu) f (pustak), ચોપડી (copḍī)
- Haitian Creole: liv
- Hausa: littafi (ha)
- Hawaiian: puke, liwele (very rare)
- Hebrew: סֵפֶר (he) m (séfer)
- Hiligaynon: tulún-an
- Hindi: पुस्तक (hi) f (pustak), किताब (hi) f (kitāb), बुक (hi) f (buk), ग्रंथ (hi) m (granth), बही (hi) f (bahī), पोथी (hi) f (pothī), पोथा (hi) m (pothā), पुस्तिका (hi) f (pustikā), सिफर (hi) (siphar)
- Hungarian: könyv (hu)
- Hunsrik: Buch n
- Iban: surat, bup
- Icelandic: bók (is) f
- Ido: libro (io)
- Igbo: akwụkwọ (ig)
- Inari Sami: kirje
- Indonesian: buku (id), kitab (id)
- Ingrian: kirja
- Ingush: китаб (kitab)
- Interlingua: libro (ia)
- Inuktitut: ᕿᒥᕐᕈᐊᑦ (iu) (qimirroat)
- Inuttut: unikkausik
- Irish: leabhar (ga) m
- Isan: ปึ้ง (pụ̂ng)
- Istriot: leîbro m
- Italian: libro (it) m
- Japanese: 本 (ja) (ほん, hon), 書籍 (ja) (しょせき, shoseki), ブック (ja) (bukku)
- Javanese: buku (jv), layang (jv), serat
- Jingpho: laika buk
- Kabardian: тхылъ (kbd) (txəlˢ)
- Kabyle: adlis
- Kalmyk: дегтр (degtr)
- Kannada: ಪುಸ್ತಕ (kn) (pustaka)
- Karachay-Balkar: китап (kitap)
- Karakalpak: kitap
- Karelian: kirju
- Kashubian: knéga f, knyga f, knëga f, ksążka f
- Kazakh: кітап (kk) (kıtap)
- Arabic: كىتاپ
- Khakas: кинде (kinde)
- Khmer: សៀវភៅ (km) (siəw phɨw)
- Kikuyu: rifuku
- Kildin Sami: кыррьй (kyrr’j), кнӣга (knīga)
- Kis: egetabu
- Komi-Zyrian: небӧг (ńebög), книга (kńiga)
- Kongo: dibuku
- Konkani: पुस्तक (pustak)
- Korean: 책(冊) (ko) (chaek), 도서(圖書) (ko) (doseo)
- Kumyk: китап (kitap)
- Kurdish:
- Central Kurdish: کتێب (ckb) (kitêb), پەرتووک (ckb) (pertûk), کتاو (ckb) (kitaw)
- Northern Kurdish: pirtûk (ku) f, kitêb (ku) f
- Kven: kirja
- Kwanyama: embo
- Kyrgyz: китеп (ky) (kitep)
- Ladino:
- Hebrew: ליב׳רו m
- Latin: livro m
- Lak: лу (lu)
- Lakota: wówapi
- Lao: ປຶ້ມ (lo) (pưm), ປຶ້ມຂຽນ (lo) (pưm khīan), ຫນັງສື (nang sư̄), ສັດຖະ (sat tha), ພັບ (phap)
- Latin: liber (la) m, caudex m
- Latvian: grāmata (lv) f
- Laz: სუპარა (sup̌ara)
- Lenakel: nauoua
- Lezgi: улуб (ulub), ктаб (ktab), дафтар (daftar)
- Lhao Vo: mug sug' paug', tung" paug', paug'
- Ligurian: lìbbro m, libbro
- Limburgish: book (li) f
- Lingala: búku class 9a/10a
- Lithuanian: knyga (lt) f
- Livonian: rōntõz
- Lombard: liber (lmo)
- Louisiana Creole French: liv
- Low German:
- Dutch Low Saxon: book (nds) n
- German Low German: Book (nds) n
- Lü: please add this translation if you can
- Luganda: ekitabo, ekitabo
- Luhya: sitabu
- Lule Sami: girjje
- Luxembourgish: Buch (lb) n
- Macedonian: книга (mk) f (kniga)
- Malagasy: boky (mg)
- Malay: buku (ms), kitab (ms), pustaka (ms)
- Malayalam: പുസ്തകം (ml) (pustakaṁ)
- Malecite-Passamaquoddy: wikhikon
- Maltese: ktieb (mt) m
- Manchu: ᠪᡳᡨᡥᡝ (bithe), ᠴᠠᡤᠠᠨ (cagan), ᠨᠣᠮᡠᠨ (nomun)
- Manx: lioar m
- Maori: pukapuka (mi)
- Marathi: पुस्तक (mr) f (pustak)
- Mari
- Eastern Mari: книга (kńiga)
- Western Mari: книгӓ (kńigä)
- Maricopa: onyor
- Mauritian Creole: liv
- Middle English: bok
- Mingrelian: სუფარა m (supara), წინგი (c̣ingi)
- Mirandese: lhibro m
- Miyako: 書物 (すぃむくㇲ, simuks)
- Moksha: книга (kńiga)
- Mon: လိက် အုပ် (lòik up)
- Mongolian:
- Cyrillic: ном (mn) (nom), бичиг (mn) (bičig)
- Mongolian: ᠨᠣᠮ (nom), ᠪᠢᠴᠢᠭ᠋ (bičig)
- Motu: buka
- Mwani: kitabu, buku, livro
- Nahuatl: amoxtli (nah)
- Classical Nahuatl: āmoxtli
- Nanai: дангса (daŋsa)
- Navajo: naaltsoos
- Neapolitan: lìbbro m
- Nepali: पुस्तक (pustak), किताप (ne) (kitāp)
- Newar: सफू (saphū)
- Nivkh: питғы (pitγə)
- Nogai: китап (kitap)
- North Frisian: (Mooring) bök n, (Föhr-Amrum) buk n
- Northern Khanty: (please verify) книга (kniga) (Kazym dialect), киншка (kinška) (Kazym dialect), ԓўӈəтты нєпэк (łŭṇətty nêpek) (Kazym dialect)
- Northern Mansi: (please verify) кнӣга (knīga)
- Northern Sami: girji
- Northern Thai: please add this translation if you can
- Norwegian:
- Bokmål: bok (no) m or f
- Nynorsk: bok (nn) f
- O'odham: ʼoʼohana
- Occitan: libre (oc) m
- Odia: ବହି (or) (bahi)
- Ojibwe: mazina'igan
- Okinawan: 書物 (すむち, sumuchi, しむち, shimuchi)
- Old Church Slavonic:
- Cyrillic: боукꙑ f (buky), кънигꙑ f pl (kŭnigy)
- Old East Slavic: кънига f (kŭniga)
- Old English: bōc f
- Old Irish: lebor m
- Old Javanese: tulis
- Old Occitan: libre
- Old Prussian: lāiskas m
- Old Saxon: bōk f or n
- Old Turkic: 𐰋𐰃𐱅𐰏 (b²it²g)
- Orok: бичихэ
- Ossetian: чиныг (ḱinyg)
- Ottoman Turkish: كتاب (kitâb)
- Pali: potthaka
- Devanagari: पोत्थक (potthaka)
- Thai: โปตถะกะ (potthaka)
- Papiamentu: buki
- Pashto: کتاب (ps) m (ketāb)
- Pawnee: raáwihaakaraaʾit (Skiri), raáwihaakaraaʾiitusuʾ (Skiri)
- Persian: نوی (fa) sg (nevi) (archaic)
- Dari: کِتَاب (fa)
- Iranian Persian: کِتاب (fa), نَسْک (fa) (nask) (archaic, rare, for the parts of the Avesta), نامِه (fa)
- Phu Thai: please add this translation if you can
- Piedmontese: lìber
- Plautdietsch: Buak n
- Polabian: bükvoi pl
- Polish: książka (pl) f, księga (pl) f
- Portuguese: livro (pt) m
- Pukapukan: lau, puka
- Punjabi: ਪੁਸਤਕ m (pustak), ਕਿਤਾਬ (kitāb)
- Quechua: liwru (qu), p'anqa (qu)
- Rabha: কাওছা (káosa)
- Rajasthani: पोथी f (pothī)
- Romagnol: lìvar m
- Romani: ginadyi f
- Romanian: carte (ro) f
- Romansch: cudesch
- Russian: кни́га (ru) f (kníga), кни́жка (ru) f (knížka)
- Rwanda-Rundi: igitabo class 7/8
- Samogitian: kninga f
- Sanskrit: पुस्तक (sa) n (pustaka), ग्रन्थ (sa) n (grantha)
- Saterland Frisian: Bouk n
- Scots: beuk
- Scottish Gaelic: leabhar (gd) m
- Serbo-Croatian:
- Cyrillic: књи̏га f
- Roman: knjȉga (sh) f
- Seychellois Creole: liv
- Shan: ပပ်ႉ (shn) (pâ̰p), ၸႃႇဢုၵ်ႉ (tsàa ʼṵ̂k)
- Shona: bhuku
- Shor: ном (nom), книга
- Sicilian: libbru (scn) m
- Sikaiana: laumea
- Silesian: kniga f
- Sindhi: ڪِتابُ (sd) m (kitāb)
- Sinhalese: පොත (si) (pota)
- Skolt Sami: ǩeʹrjj
- Slovak: kniha (sk) f
- Slovene: knjíga (sl) f
- Somali: buug (so) m, kitaab m
- Sorbian:
- Lower Sorbian: knigły f pl
- Upper Sorbian: kniha f
- Sotho: buka (st)
- Southern Altai: бичик (bičik), книга (kniga)
- Southern Sami: gærja
- Southern Thai: please add this translation if you can
- Spanish: libro (es) m
- Sranan Tongo: buku
- Sudovian: laiskas m
- Sundanese: ᮘᮥᮊᮥ (buku)
- Svan: ლა̈ირ (läir)
- Swahili: kitabu (sw), vitabu (sw) pl
- Swazi: íncwadzí class 9/10
- Swedish: bok (sv) c
- Sylheti: ꠛꠂ (boi)
- Tabasaran: китаб (kitab)
- Tagalog: libro (tl), aklat (tl)
- Tajik: китоб (tg) (kitob)
- Talysh: kitob
- Tamil: நூல் (ta) (nūl), புத்தகம் (ta) (puttakam)
- Tarantino: libbre m
- Tashelhit: ⴰⵔⵔⴰ m (arra)
- Tat: kitab
- Tatar: китап (tt) (kitap)
- Telugu: పుస్తకం (te) (pustakaṁ), పొత్తం (pottaṁ)
- Tetum: livru
- Thai: หนังสือ (th) (nǎng-sʉ̌ʉ), สมุด (th) (sà-mùt)
- Tibetan: དེབ (deb) (plain), ཕྱག་དེབ (phyag deb) (honorific)
- Tigre: ክታብ (kətab)
- Tigrinya: መጽሓፍ (mäṣḥaf), መጽሐፍ (mäṣḥäf)
- Tlingit: x’úx’
- Tocharian B: postak
- Tok Pisin: buk
- Tswana: buka (tn)
- Tumbuka: buku
- Tundra Nenets: книга (knyiga), толаӈгобць’ (tolaŋgobcʹ’)
- Turkish: kitap (tr), betik (tr)
- Turkmen: kitap
- Tuvaluan: tusi
- Tuvan: ном (nom)
- Udi: ҝирк (gʲirk)
- Udmurt: книга (kńiga)
- Ukrainian: кни́жка f (knýžka), кни́га (uk) f (knýha) (elevated style)
- Unami: lekhikàn
- Urdu: کِتاب (ur) f (kitāb), پُسْتَک f (pustak), بُک f (buk)
- Urhobo: e̖be
- Uyghur: كىتاب (ug) (kitab)
- Uzbek: kitob (uz)
- Venetian: łìbro m
- Veps: kirj
- Vietnamese: sách (vi), (notebook) sổ (vi), (textbook) sách giáo khoa (vi)
- Vilamovian: bihła n, büch
- Volapük: buk (vo)
- Votic: tširjõ
- Walloon: live (wa) m
- Waray-Waray: basahon, barasahon
- Welsh: llyfr (cy) m
- West Frisian: boek (fy) n
- Western Ojibwa: masinahikan
- Western Panjabi: پستک (pnb) m (pstk), کتاب (pnb) f (ktāb)
- White Hmong: ntawv
- Wiradjuri: garrandarang
- Wolof: tééré bi, téere (wo)
- Wutunhua: huaiqa
- Xhosa: incwadi class 9/10
- Yagnobi: китоб (kitob)
- Yakut: кинигэ (kinige)
- Yami: vakong
- Yiddish: בוך n (bukh), ספֿר m (seyfer) (usually religious or spiritual), חיבור m (khiber)
- Yoruba: ìwé
- Yucatec Maya: juʼun
- Zazaki: kıtab m, nustık c
- Zhuang: saw
- Zulu: ibhuku (zu) class 5/6, incwadi (zu) class 9/10
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