Abaza: цба ( cbā )
Abkhaz: фба ( fbā )
Adyghe: хы ( xə )
Afrikaans: ses (af)
Ainu: イワン ( iwan )
Albanian: gjashtë (sq)
Alutiiq: arwilgen
American Sign Language:
Amharic: ስድስት (am) ( sədst ) (numeral: ፮
Apache:
Western Apache: gostán
Arabic: سِتَّة (ar) ( sitta )
Aragonese: seis sies sieis
Aramaic:
Hebrew: שתא m ( štā’ ) , שת f ( šit )
Syriac: ܫܬܐ m ( štā’ ) , ܫܬ f ( šit )
Armenian: վեց (hy) ( vecʿ )
Aromanian: shasi shase
Assamese: ছয় ( soy ) (numeral: ৬ )
Asturian: seis (ast)
Aymara: suxta
Azerbaijani: altı (az)
Balinese: ənəm
Banjarese: anam
Bashkir: алты ( altï )
Basque: sei (eu)
Belarusian: шэсць ( šescʹ ) , ( collective ) шасцёра ( šascjóra )
Bengali: ছয় ( chôy ) (numeral: ৬ )
Breton: c'hwec'h (br)
Bulgarian: шест (bg) ( šest )
Burmese: ခြောက် (my) ( hkrauk )
Buryat: зургаан ( zurgaan )
Catalan: sis (ca)
Central Atlas Tamazight: ⵙⴹⵉⵚ ( sḍiṣ )
Central Dusun: onom
Central Sierra Miwok: tém·ok·a-
Chamicuro: sokta
Chechen: ялх ( jalχ )
Cherokee: ᏑᏓᎵ ( sudali )
Chichewa: sanu n'chimodzi
Chinese:
Cantonese: 六 (yue) ( luk6 )
Dungan: лю ( li͡u )
Hakka: 六 ( liuk )
Mandarin: 六 (zh) ( liù )
Min Dong: 六 ( loik )
Min Nan: 六 (zh-min-nan) ( la̍k, lio̍k )
Wu: 六 ( loq )
Chukchi: ыннанмытлыӈэн ( ynnanmytlyṇėn )
Chuvash: улттӑ ( ulttă )
Classical Nahuatl: chicuacē
Cornish: whegh
Corsican: sei (co)
Cree: nikotwâsik
Crimean Tatar: altı
Czech: šest (cs) , ( collective ) šestery
Dalmatian: si
Danish: seks (da)
Dena'ina: k'uzhch'en'i
Dhivehi: ހަ (dv) ( ha )
Dutch: zes (nl)
Dzongkha: དྲུག ( drug )
Eastern Mari: кудыт ( kudət )
Erzya: кото ( koto )
Esperanto: ses (eo)
Estonian: kuus (et)
Even: нюӈэн ( ņuŋən )
Evenki: нюӈун ( ńuŋun )
Faroese: seks (fo)
Fijian: ono (fj)
Finnish: kuusi (fi)
French: six (fr)
Friulian: sîs
Galician: seis (gl)
Garifuna: sisi
Ge'ez: ስድስቱ m ( sədstu ) , ስሱ f ( səsu ) (numeral: ፮ ( 6 ) )
Georgian: ექვსი (ka) ( ekvsi )
German: sechs (de)
Alemannic German: sächs
Gilbertese: onoua
Gothic: 𐍃𐌰𐌹𐌷𐍃 ( saihs )
Greek: έξι (el) ( éxi ) , στ΄ ( st΄ ) ( numeral )
Ancient: ἕξ ( héx ) , ϛ΄ ( ϛ΄ ) ( numeral )
Greenlandic: arfinillit (kl)
Guaraní: poteĩ
Gujarati: છ (gu) ( cha ) (numeral: ૬ )
Haitian Creole: sis
Hausa: shidà
Hawaiian: ono ʻeono
Hebrew: שֵׁשׁ (he) f ( shesh ) , שִׁשָּׁה / שישה m ( shisha )
Hindi: छह (hi) ( chah ) , छः (hi) ( chaḥ )
Hopi: navay
Hungarian: hat (hu)
Hunsrik: sechs
Iban: nam
Icelandic: sex (is)
Ido: sis (io)
Ilocano: innem
Inari Sami: kuttâ
Indonesian: enam (id)
Interlingua: sex
Irish: sé (ga)
Istriot: seije
Istro-Romanian: şåse
Italian: sei (it)
Japanese: 六 (ja) ( ろく, roku ) , 六つ (ja) ( むっつ, muttsu ) , ６ (ja) ( ろく, roku ) , シックス ( shikksu )
Javanese: nəm
Kabardian: хы ( xə )
Kannada: ಆರು (kn) ( āru ) , ೬ (kn) ( 6 ) ( numeral )
Karachay-Balkar: алты ( altı )
Karakalpak: alti
Karelian: kuusi
Kashubian: szesc
Kazakh: алты (kk) ( altı )
Khakas: алты ( altı )
Khmer: ប្រាំមួយ ( pram muəy )
Komi-Zyrian: квайт ( kvajt )
Konkani: ಸೊ ( so )
Korean: 여섯 (ko) ( yeoseot ) , 육 (ko) ( yuk ) (六 (ko) ), 륙 (ko) ( ryuk ) (六 (ko) ) ( North Korea )
Kurdish:
Kurmanji: şeş (ku)
Sorani: شەش ( şeş )
Kyrgyz: алты (ky) ( altı )
Ladin: sies
Lakota: šákpe
Lao: ຫົກ ( hok ) (numeral: ໖
Latgalian: seši m sešys f
Latin: sex (la)
Latvian: seši (lv) , sešas
Ligurian: sêi
Lithuanian: šeši (lt)
Livonian: kūž
Low German:
Dutch Low Saxon: zes (nds) , zès ( Gronings )
German Low German: söss (nds) , soss sess (nds)
Luxembourgish: sechs (lb)
Lü: ᦷᦠᧅ ( ḣok ) (numeral: ᧖ )
Macedonian: шест (mk) ( šest )
Madurese: ənnam
Malagasy: enina (mg)
Malay:
Jawi: انم نم
Rumi: enam (ms) , nam
Malayalam: ആറു ( āṟu ) , ആറ് (ml) ( āṟŭ ) (numeral: ൬ )
Maltese: sitta (mt)
Manchu: ᠨᡳᠩᡤᡠᠨ ( ninggun )
Mangarevan: ono
Mansi: хо̄т ( xōt )
Manx: shey
Maori: ono (mi)
Mapudungun: kayu
Marathi: सहा ( sahā )
Maricopa: xamxuk
Marshallese: jiljino
Minangkabau: anam
Mirandese: seis
Moksha: мота ( mota )
Mongolian: зургаа (mn) ( zurgaa ) , ᠵᠢᠷᠭᠤᠭᠠ ( ǰirɣuɣ-a ) (numeral: ᠖ )
Montagnais: ( Sheshatshiu Innu ) kutuasht ( Mushuau Innu ) ashutash
Munsee: ngwútaash
Muong: khảu
Nahuatl: chicuace (nah)
Nama: ǃnani
Nanai: нюңгун
Nauruan: año
Navajo: hastą́ą́
Nepali: छ (ne) ( cha )
Niuean: ono
Nogai: алты ( altı )
North Frisian:
Föhr-Amrum and Mooring: seeks
Helgoland: sös
Sylt: soks
Northern Sami: guhtta
Norwegian: seks (no)
Novial: six
O'odham: cudp
Occitan: sièis (oc)
Ojibwe: ingodwaaswi
Old Church Slavonic: шесть ( šestĭ )
Old English: siex
Old Frisian: sex
Old Turkic: 𐰞𐱃𐰃 ( altï )
Oriya: ଛଅ (or) ( cha'a ) : (numeral: ୬ )
Oroqen: ɲuŋun
Oscan: 𐌔𐌄𐌇𐌔 ( sehs )
Ossetian: ӕхсӕз ( æxsæz )
Ottoman Turkish: آلتی ( altı )
Pashto: شپږ (ps) ( špag )
Pennsylvania German: sechs
Persian: شِش (fa) ( šeš )
Plautdietsch: sass
Polish: sześć (pl) , ( collective ) sześcioro (pl)
Portuguese: seis (pt) , meia (pt)
Punjabi: ਛੇ ( che ) (numeral: ੬ ( 6 ) )
Quechua: suqta sogta
Rajasthani: please add this translation if you can
Rapa Nui: ono
Rarotongan: ono
Rohingya: só
Romani: shov Kalo Finnish Romani: ȟou
Romanian: șase (ro)
Romansch: sis
Russian: шесть (ru) ( šestʹ ) , ( collective ) ше́стеро (ru) ( šéstero )
Rusyn: шість ( šistʹ )
S'gaw Karen: ဃု ( chʉ )
Samoan: ono (sm)
Sanskrit: षष् (sa) ( ṣaṣ ) , (षण् (ṣaṇ), shasta- ( prefix ) .)
Sardinian: ses
Saterland Frisian: säks
Scots: sax
Scottish Gaelic: sia ( persons ) sianar m
Serbo-Croatian:
Cyrillic: ше̑ст
Roman: šȇst (sh)
Shan: ႁူၵ်း ( hok4 ) (numeral: ႖ )
Sichuan Yi: ꃘ ( fut )
Sicilian: sei (scn)
Sikkimese: ཏུཀ ( tuk )
Silesian: šeść
Sindhi: ڇَهَه ( chahah )
Sinhalese: හය (si) ( haya )
Skolt Sami: kutt
Slovak: šesť (sk)
Slovene: šést (sl)
Somali: lix (so)
Sorbian:
Lower Sorbian: šesć
Upper Sorbian: šěsć
Southern Altai: алты ( altï )
Southern Ohlone: naquichi
Spanish: seis (es)
Sundanese: genep (su)
Swahili: sita (sw)
Swedish: sex (sv)
Tagalog: anim (tl)
Tahitian: ono
Tai Dam: hốc
Tai Nüa: ᥞᥨᥐᥱ ( hok3 )
Tajik: шаш (tg) ( šaš )
Tamil: ஆறு (ta) ( āṟu )
Taos: mą́łi
Tashelhit: sḍes m sḍest f
Tatar: алты (tt) ( altı )
Telugu: ఆరు (te) ( āru )
Thai: หก (th) ( hòk )
Tibetan: དྲུག ( drug )
Tigre: ስስ ( səs ) (numeral: ፮ ( 6 ) )
Tigrinya: ሽድሽተ ( šədštä ) (numeral: ፮ ( 6 ) )
Timugon Murut: onom
Tocharian A: ṣäk
Tocharian B: ṣkas
Tok Pisin: sikispela
Tongan: ono
Turkish: altı (tr)
Turkmen: alty (tk)
Tuvaluan: ono
Tuvan: алды ( aldı )
Tz'utujil: (please verify ) uaki
Udihe: њуӈу
Udmurt: куать ( kuatʹ )
Ukrainian: шість (uk) ( šistʹ ) , ше́стеро ( šéstero ) ( collective )
Umbrian: 𐌔𐌄𐌇𐌔 ( sehs )
Unami: kwëtash
Urdu: چھہ ( chah )
Uyghur: ئالتە (ug) ( alte )
Uzbek: olti (uz)
Venetian: sei (vec)
Veps: kuź
Vietnamese: sáu (vi)
Vilamovian: zachs
Volapük: mäl (vo)
Votic: kuuz кууз
Võro: kuuś
Walloon: shijh (wa)
Waray-Waray: onum
Welsh: chwech (cy)
West Frisian: seis (fy)
White Hmong: rau
Winnebago: hakewe
Wolof: juróom benn
Xhosa: ntandathu
Yagnobi: ухш
Yakut: алта ( alta )
Yao: msano na mo
Yiddish: זעקס ( zeks )
Yup'ik: arvinlegen
Zazaki: şeş
Zhuang: loeg Sawndip 六 )
Zulu: isithupha (zu)
Zuni: dobalekk'ya 
