| łéngua vèneta | vec-000 |
| mercore | |
| biełaruskaja łacinka | bel-002 | serada |
| brezhoneg | bre-000 | Dimerc’her |
| brezhoneg | bre-000 | Merc’her |
| български | bul-000 | сряда |
| català | cat-000 | dimecres |
| čeština | ces-000 | středa |
| Hànyǔ | cmn-003 | xīngqīsān |
| dansk | dan-000 | onsdag |
| Deutsch | deu-000 | Mittwoch |
| dolnoserbska reč | dsb-000 | srjoda |
| eesti | ekk-000 | kolmapäev |
| Ellinika | ell-003 | Tetárti |
| English | eng-000 | Wednesday |
| Esperanto | epo-000 | merkredo |
| euskara | eus-000 | asteazken |
| suomi | fin-000 | keskiviikko |
| français | fra-000 | mercredi |
| Frasche spräke | frr-000 | wensdi |
| Frysk | fry-000 | woansdei |
| Gàidhlig | gla-000 | Diciadain |
| Gaeilge | gle-000 | Céadaoin |
| ISO 259-3 | heb-001 | jom rəvi'i |
| hrvatski | hrv-000 | srijeda |
| hornjoserbšćina | hsb-000 | srjeda |
| magyar | hun-000 | szerda |
| hyw-001 | tschorek'schapti | |
| interlingua | ina-000 | mercuridi |
| íslenska | isl-000 | miðvikudagur |
| italiano | ita-000 | mercoledì |
| 日本語 | jpn-000 | すいようび, suiyōbi |
| Kartuli | kat-001 | otkhshabati |
| Hangungmal | kor-001 | suyoil |
| latine | lat-000 | dies Mercurii |
| lietuvių | lit-000 | trečiadienis |
| reo Māori | mri-000 | Wenerei |
| Plattdüütsch-Neddersassisch | nds-002 | Goensdag |
| Plattdüütsch-Neddersassisch | nds-002 | Middeweek |
| Plattdüütsch-Neddersassisch | nds-002 | Mirrweek |
| Nederlands | nld-000 | woensdag |
| bokmål | nob-000 | onsdag |
| norskr | non-000 | odinsdagr |
| Novial | nov-000 | merkurdie |
| occitan | oci-000 | dimècres |
| occitan | oci-000 | dimèrcles |
| polski | pol-000 | środa |
| português | por-000 | quarta-feira |
| română | ron-000 | miercuri |
| russkij | rus-001 | sredá |
| slovenčina | slk-000 | streda |
| slovenščina | slv-000 | sreda |
| Sesotho | sot-000 | Laboraro |
| español | spa-000 | miércoles |
| srpski | srp-001 | sreda |
| svenska | swe-000 | onsdag |
| tojikī | tgk-001 | čoršanbé |
| phasa thai | tha-001 | wan phōōt |
| Türkçe | tur-000 | Çarşamba |
| Latynytsia | ukr-001 | seredá |
| Volapük | vol-000 | vedel |