- Abkhaz: ахаша (axaŝa)
- Adyghe: бэрэскэжъый (bereskeẑəj)
- Afar: arbaq
- Afrikaans: Woensdag (af)
- Alabama: atótchìina, nihta atótchìina
- Albanian: e mërkurë
- Alutiiq: Pingayiin
- Amharic: ረቡዕ (räbuʿ)
- Ancient Greek: ἡμέρᾱ Ἑρμοῦ (hēmérā Hermoû), Ἑρμ(ε)ίᾱ (Herm(e)íā)
- Arabic: الْأَرْبِعَاء (ar) m (al-ʔarbiʕāʔ), يَوْم الْأَرْبِعَاء m (yawm al-ʔarbiʕāʔ)
- Egyptian Arabic: الأربع m (l-arrbaʕ)
- Moroccan Arabic: الاربعا (el-ārebʕa), الاربع (el-ārbaʕ)
- Aragonese: miércols (an)
- Armenian: չորեքշաբթի (hy) (čʿorekʿšabtʿi)
- Aromanian: njercuri
- Assamese: বুধবাৰ (budhbar)
- Asturian: miércoles (ast) m
- Atikamekw: nicto kicikaw
- Avar: арбагӏ (arbaʻ)
- Azerbaijani: çərşənbə (az)
- Bashkir: шаршамбы (şarşambı)
- Basque: asteazken (eu)
- Bats: ჴო̄ (qō)
- Belarusian: серада́ f (sjeradá)
- Bengali: বুধবার (bn) (budhbar)
- Blackfoot: ííkaitaistssinao'p
- Breton: Merc'her (br) m, (please verify) dimerc'her (br) (adverb)
- Buginese: araba
- Bulgarian: сряда́ (bg) f (srjadá)
- Burmese: ဗုဒ္ဓဟူး (my) (buddha.hu:)
- Catalan: dimecres (ca) m
- Central Atlas Tamazight: ⴰⵀⴰⴷ (ahad)
- Chechen: кхаара (qaara)
- Cherokee: ᏦᎢᏁ ᎢᎦ (tsoine iga)
- Chichewa: Lachitatu
- Chickasaw: Nittak Atochchi'na', Nittak Hollo' Aaiklanna'
- Chinese:
- Cantonese: 星期三 (sing1 kei4 saam1), 禮拜三／礼拜三 (lai5 baai3 saam1), 周三 (zau1 saam1)
- Dungan: щинчисан (xinčisan), либэсан (libesan), чашанбэ (čašanbe)
- Mandarin: 星期三 (zh) (xīngqīsān), 禮拜三／礼拜三 (zh) (lǐbàisān), 周三 (zhōusān)
- Min Nan: 禮拜三／礼拜三 (lé-pài-sam), 拜三 (pài-sam)
- Chuvash: юнкун (junk̬un)
- Cornish: de Merher, dy'Mergher
- Corsican: màrcuri
- Crimean Tatar: çarşenbe
- Czech: středa (cs) f
- Dakota: Aŋpetuiyamni
- Dalmatian: misedma
- Danish: onsdag (da) c
- Dutch: woensdag (nl) m
- Dzongkha: ཕུར་བུ (phur bu)
- Esperanto: merkredo (eo)
- Estonian: kolmapäev (et)
- Farefare: Alaarba
- Faroese: mikudagur (fo) m, ónsdagur m
- Fijian: siga Vukelulu
- Finnish: keskiviikko (fi)
- French: mercredi (fr) m
- Friulian: miercus, miercui
- Fula:
- Latin: Alarba, Njeslaare
- Adlam: 𞤀𞤤𞤢𞤪𞤦𞤢, 𞤐𞤶𞤫𞤧𞤤𞤢𞥄𞤪𞤫
- Galician: mércores (gl) m, corta feira (gl) f, cuarta feira (gl) f
- Georgian: ოთხშაბათი (ka) (otxšabati)
- German: Mittwoch (de) m, (poetic) Wotanstag m
- Gilbertese: Katenibong
- Greek: Τετάρτη (el) f (Tetárti)
- Greenlandic: pingasunngorneq
- Guerrero Amuzgo: mikluè
- Gujarati: બુધવાર (gu) (budhvār)
- Haitian Creole: mèkredi
- Hausa: Laraba (ha)
- Hawaiian: Pōʻakolu
- Hebrew: יוֹם רְבִיעִי (he) m (yom revi’í), יוֹם ד' m (yom dálet)
- Hiligaynon: Miyerkoles
- Hindi: बुधवार (hi) m (budhvār), बुध (hi) m (budh), ज्ञवार (hi) m (gyavār)
- Hungarian: szerda (hu)
- Icelandic: miðvikudagur (is) m
- Ido: merkurdio (io)
- Indonesian: hari rabu
- Ingrian: sereta
- Ingush: кхаьра (qära)
- Interlingua: mercuridi (ia)
- Irish: Céadaoin (ga) f
- Italian: mercoledì (it) m
- Japanese: 水曜日 (ja) (すいようび, suiyōbi), 水曜 (ja) (すいよう, suiyō)
- Kabardian: бэрэжьей (bereźeej)
- Kalmyk: үлмҗ өдр (ülmj ödr)
- Kannada: ಬುಧವಾರ (kn) (budhavāra)
- Karelian: kolmaspäivy
- Kashmiri: بۄد وار (bọd vār)
- Kashubian: strzoda (csb) f
- Kazakh: сәрсенбі (kk) (särsenbı)
- Khmer: ថ្ងៃពុធ (km) (thngay put)
- Kongo: Lumbu kia ntatu
- Korean: 수요일(水曜日) (ko) (suyoil)
- Kumyk: арбагюн (arbagün)
- Kurdish:
- Central Kurdish: چوارشەم (çwarşem), چوارشەمە (çwarşeme)
- Northern Kurdish: çarşem (ku)
- Kusaal: alaarba daat
- Kyrgyz: шаршемби (ky) (şarşembi)
- Ladin: mercol
- Lakota: Aŋpétu Yámni
- Lao: ວັນພຸດ (lo) (wan phut), ພຸດ (phut)
- Latin: diēs Mercuriī (la) m or f, fēria quarta f (ecclesiastical)
- Latvian: trešdiena f
- Laz: ჯუმაჩხა (cumaçxa)
- Lezgi: арбе (arbe)
- Limburgish: woonsdig (li), goonsdig (li)
- Lithuanian: trečiadienis (lt) m
- Livonian: kuolmõndpǟva
- Lombard: mercoldi
- Louisiana Creole French: mékrédi, mèkrèdi, mærkrédi
- Low German:
- Dutch Low Saxon: woensdag (nds) (Gronings, Stellingwerfs, Sallans, Twents, Veluws), woonsdag (nds) (Twents, Veluws), wonsdag (nds) (Drents, Gronings)
- German Low German: Middeweek (nds) m, Mödweek, Merrweek, Woonsdag m
- Luganda: Lwakusatu
- Luxembourgish: Mëttwoch (lb) m
- Lü: ᦞᧃᦗᦳᧆ (vanpud)
- Macedonian: среда (mk) f (sreda)
- Makasar: araba
- Malay:
- Jawi: رابو, اربع, هاري تيݢ (Sabah, Singapore)
- Rumi: Rabu (ms), Arbaa (ms), Hari Tiga (Sabah, Singapore)
- Malayalam: ബുധനാഴ്ച (ml) (budhanāḻca), ബുധൻ (ml) (budhaṉ)
- Maltese: l-Erbgħa
- Manchu: ᠮᡠᡴᡝᡠᠰᡳᠩᡤᡳ (muke usinggi)
- Maori: Wenerei, Rātoru, Rāapa
- Maranao: Arba'a
- Mari:
- Eastern Mari: вӱргече (vürgeče)
- Mingrelian: ჯუმაშხა (ǯumašxa)
- Mirandese: quarta-feira
- Mongolian:
- Cyrillic: лхагва (mn) (lxagva) (written), гурав дахь өдөр (gurav daxʹ ödör) (spoken), гарагийн гурав (garagiin gurav) (Inner Mongolia)
- Mongolian: ᡀᠠᠭᠪᠠ (lhaɣba), ᠭᠤᠷᠪᠠᠳ᠋ᠠᠬᠢᠡᠳᠦᠷ (ɣurba daqi edür), ᠭᠠᠷᠠᠭ ᠦᠨᠭᠤᠷᠪᠠ (ɣaraɣ-ün ɣurba)
- Moore: arba, laarba
- Mòcheno: mitta m
- Navajo: Tágíjį́ Ndaʼanish
- Neapolitan: miercurì
- North Frisian:
- Föhr-Amrum: weedensdai
- Mooring: weensdi
- Sylt: Winjsdai
- Norwegian:
- Occitan: dimècres (oc)
- Ojibwe: aabitoose
- Old Church Slavonic:
- Cyrillic: срѣда f (srěda)
- Old East Slavic: середа f (sereda)
- Old English: wōdnesdæġ m
- Old Norse: óðinsdagr m
- Old Turkic: törtünç
- Oriya: ବୁଧବାର (budhôbarô)
- Oromo: Roobii (om)
- Ossetian:
- Papiamentu: diarason
- Pashto: چارشنبه (ps) f (čāršanbá)
- Pennsylvania German: Mittwoch
- Persian: چهارشنبه (fa) (čahâr-šanbe)
- Plautdietsch: Medwäakj m
- Polish: środa (pl) f
- Portuguese: quarta-feira (pt) f
- Punjabi : ਬੁੱਧਵਾਰ (pa) (buddhavār)
- Quechua: mirkulis, quyllurchaw
- Romani: tetradǐ f
- Romanian: miercuri (ro) f
- Romansch: mesemna, mesjamna, measeanda, mesemda, marculdi, marcurdi
- Russian: среда́ (ru) f (sredá)
- Rwanda-Rundi: Kwagatatu
- Sami:
- Samoan: Aso Lulu
- Sardinian: mélcuris m, mércuis, mérculis, mércuris, mèrcuris
- Scots: Wadensday
- Scottish Gaelic: Diciadain (gd) m
- Semai: Rabu
- Serbo-Croatian:
- Shona: Chitatu
- Sicilian: mèrcuri (scn), mercuridìa (scn), mièrcuri (scn)
- Sindhi : اَربع (sd), ٻُڌَرُ, ٻُڌُ
- Sinhalese: බදාදා (si) (badādā)
- Slovak: streda (sk) f
- Slovene: sréda (sl) f
- Somali: arbaco
- Sorbian:
- Sotho: Laboraro (st)
- Spanish: miércoles (es) m
- Sundanese: rebo (su)
- Svan: ჯჷმა̈შ (ǯəmäš)
- Swahili: Jumatano
- Swedish: onsdag (sv) c
- Tabasaran: гьербе (herbe)
- Tagalog: Miyerkoles, miyerkoles
- Tahitian: Mahana toru
- Tajik: чоршанбе (tg) (čoršanbe), чаҳоршанбе (tg) (čahoršanbe)
- Tamil: புதன் (ta) (putaṉ)
- Taos: míalkulisi
- Tarantino: mercrudìe
- Tatar: чәршәмбе (tt) (çärşämbe)
- Tausug: Albaa
- Telugu: బుధవారము (te) (budhavāramu)
- Tetum: loron-kuarta
- Thai: วันพุธ (th) (wan pút), พุธ (th) (pút)
- Tibetan: གཟའ་ལྷག་པ (gza' lhag pa)
- Tok Pisin: trinde
- Tongan: Pulelulu
- Tswana: laboraro
- Turkish: çarşamba (tr)
- Turkmen: çarşenbe, hoşgün
- Udmurt: вирнунал (virnunal)
- Ukrainian: середа́ (uk) f (seredá)
- Urdu: بدھ (ur) (budh), بدھوار (budhvār), چہار شنبہ (cahār śanba)
- Uyghur: چارشەنبە (charshenbe)
- Uzbek: chorshanba (uz)
- Venetian: mèrcore (vec) m
- Vietnamese: thứ tư (vi)
- Volapük: vedel (vo), (older term) folüdel, (older term) vesdel
- Votic: kõlmõzpäive
- Walloon: mierkidi (wa), dimiek (wa)
- Welsh: dydd Mercher (cy)
- West Frisian: woansdei (fy)
- Winnebago: Hąąp Hitanįhą
- Wolof: Àllarba
- Xhosa: uLwesithathu
- Yakan: Alaba'a
- Yakut: сэрэдэ (serede)
- Yiddish: מיטוואָך (yi) m (mitvokh)
- Yup'ik: Pingayirin
- Zazaki: çarşeme (diq)
- Zulu: uLwesithathu
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