- Abkhaz: алашара (alaŝara)
- Adyghe: нэфын (nɛfən), нэфы (nɛfə), нэфнэ (nɛfnɛ)
- Afar: ifu m
- Afrikaans: lig (af)
- Akkadian: 𒂟 (nûru)
- Albanian: dritë (sq) f
- Amharic: ብርሃን (bərhan)
- Arabic: نُور (ar) m (nūr), ضَوْء (ar) m (ḍawʔ)
- Egyptian Arabic: نور m (nor)
- Gulf Arabic: ليت m (lēt)
- Hijazi Arabic: نور m (nūr)
- Moroccan Arabic: ضو (ḍaww, ḍuww, ḍū)
- South Levantine Arabic: ضوّ m (ḍaww)
- Aragonese: luz f
- Archi: аккон (akkon)
- Argobba: ብርሃን (bǝrhān)
- Armenian: լույս (hy) (luys)
- Aromanian: lunjinã f, fanã f, fexi f
- Assamese: পোহৰ (pühor)
- Asturian: lluz (ast) f
- Atikamekw: waskorenitamakan
- Avar: нур (nur)
- Aymara: qhana
- Azerbaijani: işıq (az)
- Bambara: kɛnɛ, yeelen
- Bashkir: яҡты (yaqtı), яҡтылыҡ (yaqtılıq)
- Basque: argi (eu)
- Belarusian: святло́ n (svjatló)
- Bengali: আলো (bn) (alō), রৌশনী (bn) (rōuśoni), নূর (bn) (nur)
- Breton: gouloù (br) m, luc'h (br) m, sklêrijenn (br) f
- Brunei Malay: cahaya
- Bulgarian: светлина́ (bg) f (svetliná)
- Burmese: မီး (my) (mi:), အလင်း (my) (a.lang:)
- Buryat: гэрэл (gerel)
- Carpathian Rusyn: світло́ n (svitló)
- Catalan: llum (ca) f
- Cebuano: kahayag
- Chechen: серло (serlo), дуьне (düne)
- Cherokee: ᎠᏨᏍᏙᏗ (atsvsdodi)
- Chickasaw: shoppala'
- Chinese:
- Cantonese: 光 (gwong1)
- Dungan: гуонлён (guonli͡on)
- Eastern Min: 光 (guŏng)
- Hakka: 光 (kông)
- Hokkien: 光 (zh-min-nan) (kng)
- Mandarin: 光 (zh) (guāng), 光亮 (zh) (guāngliàng)
- Wu: 光
- Chuukese: saram
- Chuvash: ҫутӑ (śut̬ă)
- Classical Syriac: ܢܘܗܪܐ m (nuhrā, nuhhārā)
- Coptic: ⲟⲩⲱⲓⲛⲓ m (ouōini)
- Cornish: golow m
- Corsican: lumu (co) m, lume (co) m
- Crimean Tatar: yarıq
- Czech: světlo (cs) n
- Dalmatian: loic m
- Danish: lys (da) n
- Dongxiang: gieren
- Dutch: licht (nl) n
- Eastern Mari: волгыдо (volgydo)
- Egyptian: (ḥꜣyt f)
- Elfdalian: liuos n
- Erzya: валдо (valdo)
- Esperanto: lumo (eo)
- Estonian: valgus (et)
- Even: ӈэрин (ŋərin)
- Evenki: ңэри
- Ewe: kekeli
- Extremaduran: lus f
- Farefare: peelem class 14 (pèèlém) (uncountable)
- Faroese: ljós n
- Finnish: valo (fi)
- French: lumière (fr) f, clarté (fr) f
- Friulian: lûs f
- Galician: luz (gl) f
- Ge'ez: ብርሃን (bərhan)
- Georgian: შუქი (šuki), სინათლე (sinatle), ნათება (nateba)
- German: Licht (de) n
- Alemannic German: Liecht n
- Pennsylvania German: Licht n
- Gothic: 𐌻𐌹𐌿𐌷𐌰𐌸 n (liuhaþ)
- Greek: φως (el) n (fos)
- Ancient: φῶς n (phôs), φέγγος n (phéngos), (Epic) φάος n (pháos)
- Greenlandic: qaammaqqut, qaamaneq
- Guaraní: tesape
- Gujarati: પ્રકાશ (gu) m (prakāś), અજવાળું n (ajavāḷũ), ઉજાસ m (ujās), રોશની f (rośnī), તેજ (gu) n (tej), દ્યુતિ f (dyuti)
- Haitian Creole: limyè
- Hawaiian: lama, ao
- Hebrew: אוֹרָה (he) f (orá), אוֹר (he) m (ór)
- Hindi: प्रकाश (hi) m (prakāś), रौशनी (hi) f (rauśnī), उजाला (hi) m (ujālā), उज्ज्वल (hi) m (ujjval), आलोक (hi) m (ālok), ज्योति (hi) f (jyoti), दीप्ति (hi) f (dīpti)
- Hungarian: fény (hu), világosság (hu)
- Hunsrik: licht n
- Icelandic: ljós (is) n
- Ido: foto (io), lumo (io)
- Igbo: ihe, ife
- Ilocano: silaw
- Indonesian: cahaya (id)
- Ingrian: valo
- Ingush: сердал (serdal)
- Interlingua: lumine (ia)
- Irish: solas (ga) m
- Istriot: loûme
- Italian: luce (it) f
- Japanese: 光 (ja) (ひかり, hikari), 明かり (ja) (あかり, akari)
- Javanese: sunar (jv)
- Kabardian: нэху (kbd) (nɛxʷu)
- Kaingang: jẽngrẽ
- Kannada: ಬೆಳಕು (kn) (beḷaku)
- Kapampangan: sulu
- Karachay-Balkar: жарыкъ (jarıq), джарыкъ (carıq)
- Karakalpak: jarıq
- Kazakh: жарық (jaryq), нұр (nūr), сәуле (säule)
- Khakas: чарых (çarıx)
- Khmer: ពន្លឺ (km) (pŭənlɨɨ)
- Korean: 빛 (ko) (bit), 광 (ko) (gwang)
- Koyraboro Senni: gaay
- Kumyk: ярыкъ (yarıq)
- Kurdish:
- Northern Kurdish: ronî (ku) f, ronahî (ku) f
- Kyrgyz: жарык (ky) (jarık)
- Ladin: lum f
- Lak: ишигь (iših), экв (ekw)
- Lao: ແສງ (lo) (sǣng)
- Latgalian: gaisma, gaišums
- Latin: lūx (la) f, lūmen n
- Latvian: gaisma (lv) f, guns (lv) m (poetism)
- Lezgi: экв (èk°)
- Ligurian: lüxe f
- Limburgish: leech (li) n
- Lingala: mwinda class 3/4
- Lithuanian: šviesa (lt) f
- Lombard: lus (lmo) f, lüs f
- Low German:
- German Low German: Licht (nds) n
- Luhya: obulafu
- Luxembourgish: Liicht n
- Macedonian: светлина (mk) f (svetlina)
- Malagasy: zava (mg)
- Malay: cahaya (ms), nur (ms)
- Malayalam: വെളിച്ചം (ml) (veḷiccaṁ), പ്രകാശം (ml) (prakāśaṁ)
- Maltese: dawl m
- Manchu: ᡝᠯᡩᡝᠨ (elden)
- Manx: sollys m
- Maori: rama, mārama
- Mapudungun: anci
- Maranao: siga, solo'
- Marathi: प्रकाश (mr) m (prakāś)
- Mirandese: luç f
- Mizo: êng
- Moksha: валда (valda)
- Mongolian: гэрэл (mn) (gerel)
- Mymensinghiya: পসৰ/পসর (pośor)
- Nanai: нгэгден (ŋegʒen), пудэн (puden)
- Navajo: adinídíín
- Nepali: प्रकाश (prakāś)
- Newar: जः (ja:)
- Ngazidja Comorian: nuru class 9/10, mwendje class 3/4
- Nogai: ярык (yarık)
- Norman: leunmiéthe f (Jersey), lumyire f (France), lümyir f (Sark)
- Northern Sami: čuovga
- Norwegian: lys (no) n
- Nyunga: ben
- Occitan: lutz (oc) f, lum (oc) m
- Odia: ଆଲୋକ (or) (āloka)
- Okinawan: ふぃかり (hwikari), ふぃちゃい (hwicai)
- Old Church Slavonic:
- Cyrillic: свѣтъ m (světŭ)
- Glagolitic: ⱄⰲⱑⱅⱏ m (světŭ)
- Old English: lēoht n
- Old Irish: solus m
- Old Prussian: swāikstan n
- Old Saxon: lioht n
- Omaha-Ponca: ugóⁿba
- Oromo: ifaa (om)
- Ossetian: рухс (ruxs)
- Ottoman Turkish: ایشق (ışık), آیدین (aydın), نور (nur)
- Pali: obhāsa m
- Papiamentu: lus
- Parthian: rwšn
- Pashto: ضيا f (zeyã), روښنايي (ps) f (rox̌nāyí), روڼايي f (rūṇāyí)
- Persian: نور (fa) (nur), فروغ (fa) (foruğ), شید (fa) (šid), رخش (fa) (roxš), روشنایی (fa) (rošanâyi)
- Polish: światło (pl) n
- Portuguese: luz (pt) f
- Pumpokol: hixem
- Punjabi: ਲੋ f (lo), لو (lo)
- Quechua: k'ancha, acki, azki, k'anchay (qu)
- Romagnol: luš, luș f (Central Romagna)
- Romani: dud m
- Romanian: lumină (ro) f
- Romansch: glisch f (Rumantsch Grischun, Sursilvan, Sutsilvan), gleisch f (Surmiran), glüsch f (Puter), glüm f (Vallader)
- Russian: свет (ru) m (svet)
- S'gaw Karen: ကပီၤ (ka paw̄)
- Saho: ifo
- Samogitian: švėisa f
- Sango: zigä (sg)
- Sanskrit: प्रकाश (sa) m (prakāśa), भाम (sa) m (bhāma)
- Santali: ᱢᱟᱨᱥᱟᱞ (marsal)
- Sardinian: lughe
- Scots: licht
- Scottish Gaelic: solas m, soillse f
- Serbo-Croatian:
- Cyrillic: светло n, свјетло n, свјетлост f
- Roman: svetlo (sh) n, svjetlo (sh) n, svjetlost (sh) f
- Shona: chiedza class 7
- Shor: чарық (çarıq)
- Sicilian: luci (scn) f
- Sinhalese: ආලෝකය (ālōkaya)
- Slovak: svetlo (sk) n
- Slovene: svetlôba (sl) f
- Sorbian:
- Lower Sorbian: swětło n
- Sotho: lesedi
- Southern Altai: јарык (ǰarïk)
- Spanish: luz (es) f
- Sranan Tongo: leti
- Sumerian: nuru, immaru
- Sundanese: ᮎᮠᮚ (cahaya)
- Swahili: mwanga (sw) class 3/4, nuru (sw) class 9/10
- Swedish: ljus (sv) n
- Sylheti: ꠙꠅꠞ (foor)
- Tabasaran: акв (ak°), нур (nur)
- Tagalog: ilaw
- Tajik: нӯр (tg) (nür), фуруғ (furuġ)
- Tamil: ஒளி (ta) (oḷi)
- Tarifit: tfawt f
- Tatar: якты (tt) (yaktı), яктылык (tt) (yaktılıq)
- Telugu: కాంతి (te) (kānti), వెలుతురు (te) (veluturu), విద్యుత్ అయస్కాంత క్షేత్రము (vidyut ayaskānta kṣētramu)
- Tetum: naroman
- Thai: แสง (th) (sɛ̌ɛng)
- Tibetan: འོད ('od)
- Tocharian B: lyūke, lalaukar
- Tok Pisin: lait
- Tsonga: lesedi
- Turkish: ışık (tr)
- Turkmen: yşyk, ýagtylyk
- Tuvan: чырык (çırık)
- Tuyuca: bóere
- Ukrainian: світло́ (uk) n (svitló)
- Urdu: روشنی f (rośnī), پرکاش m (prakāś), نور (ur) (nor)
- Uyghur: يورۇقلۇق (yoruqluq), نۇر (ug) (nur)
- Uzbek: yorugʻlik (uz), nur (uz), yogʻdu (uz)
- Venetan: łuxe f
- Vietnamese: ánh sáng (vi), ánh (vi)
- Vilamovian: łicht n
- Volapük: lit (vo)
- Walloon: loumire (wa) f
- Waray-Waray: lamrag, suga
- Welsh: golau (cy) m, goleuni (cy) m, lleu m
- West Frisian: ljocht (fy) n
- Xhosa: isibane class 7/8
- Yakut: сырдык (sırdık)
- Yámana: šola
- Yiddish: ליכט n (likht), אור m (or)
- Yine: katalu
- Yoruba: ìmọ́lẹ̀
- Yucatec Maya: sáasil
- Záparo: kátika
- Zazaki: zerq
- Zulu: ukukhanya class 15, isibane (zu) class 7/8
- ǃXóõ: ǁga̰e
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