Afrikaans: reënboog (rayn-bohg)
Albanian: ylber (eel-bair)
Amharic: ቀስተ ደመና (k’este demena)
Arabic: قوس قزح (qaws quzah)
Armenian: ծիածան (tsee-ah-dzan)
Azerbaijani: göy qurşağı (gyoy gur-shah-uh)
Basque: ortzadar (orts-ah-dar)
Belarusian: вясёлка (vya-syol-ka)
Bengali: রংধনু (rong-dhonu)
Bosnian: duga (doo-gah)
Bulgarian: дъга (dah-gah)
Catalan: arc de Sant Martí (ark de Sant mar-tee)
Cebuano: balangaw (bah-lang-aw)
Chinese (Mandarin): 彩虹 (cǎi hóng)
Croatian: duga (doo-gah)
Czech: duha (doo-ha)
Danish: regnbue (rayn-boo-eh)
Dutch: regenboog (ray-gen-bohg)
Esperanto: ĉielarko (chee-eh-lar-ko)
Estonian: vikerkaar (vee-ker-kar)
Finnish: sateenkaari (sah-ten-kar-ee)
French: arc-en-ciel (ark-ahn-syel)
Galician: arco da vella (arko da vey-ya)
Georgian: ცისარტყელა (tsi-sart-qe-la)
German: Regenbogen (ray-gen-boh-gen)
Greek: ουράνιο τόξο (oo-rah-nee-oh tok-soh)
Gujarati: ઇન્દ્રધનુષ્ય (in-dra-dhu-nushya)
Haitian Creole: lakansyèl (lah-kan-syel)
Hausa: bakan gizo (bah-kan gee-zo)
Hebrew: קשת בענן (keshet be-anan)
Hindi: इन्द्रधनुष (indra-dhanush)
Hmong: txoj kev ywj pheej (chaw keh yew pheyj)
Hungarian: szivárvány (see-var-vahn)
Icelandic: regnbogi (rayn-boh-gee)
Igbo: ùdùm àmà (oo-doom ah-mah)
Indonesian: pelangi (pe-lan-gee)
Irish: tuar ceatha (toor kya-ha)
Italian: arcobaleno (ar-coh-ba-le-noh)
Japanese: 虹 (ni-ji)
Javanese: pelangi (pe-lan-gee)
Kannada: ವಸಂತಧನು (va-san-ta-dha-nu)
Kazakh: кемпірқосақ (kem-pir-ko-sak)
Khmer: សិលាចារឹក (silaa-chaarik)
Kinyarwanda: umudugudu (umu-dugu-du)
Korean: 무지개 (mu-ji-gae)
Kurdish: neqaşa asimanê (ne-qa-sha asi-ma-ne)
Kyrgyz: кемпиркос (kem-pir-kos)
Lao: ເປັນຫົກສຽງ (pen-hok-see-ang)
Latvian: varavīksne (vah-ra-veeks-ne)
Lithuanian: vaivorykštė (vy-vo-rik-shteh)
Luxembourgish: Reebou (ray-boo)
Macedonian: виножито (vee-no-zhee-to)
Malagasy: avana (ah-vah-nah)
Malay: pelangi (pe-lan-gee)
Malayalam: വരമഴ (va-ra-ma-za)
Maltese: qawsalla (kaws-al-lah)
Maori: āniwaniwa (ah-ni-wah-ni-wah)
Marathi: इंद्रधनुष्य (in-dra-dhu-nushya)
Mongolian: солонго (so-long-oh)
Nepali: इन्द्रेणी (ind-ray-nee)
Norwegian: regnbue (rayn-boo-eh)
Oromo: gulanta (gu-lan-ta)
Pashto: وړانګې (wran-gay)
Persian: رنگین کمان (rang-een ka-man)
Polish: tęcza (ten-cha)
Portuguese: arco-íris (ar-coh-ee-rees)
Punjabi: ਰੋਹਿਰੀ (roh-ree)
Romanian: curcubeu (kur-koo-bay-oo)
Russian: радуга (ra-doo-ga)
Samoan: nuanua (nu-a-nu-a)
Sanskrit: इन्द्रधनुः (in-dra-dha-nush)
Serbian: дуга (doo-gah)
Shona: muraraungu (moo-ra-ra-oo-ngoo)
Sinhala: දිවිය (div-ee-ya)
Slovak: dúha (doo-ha)
Slovenian: mavrica (mah-vree-tsa)
Somali: qorraxda cadceedda (kor-rah-da cad-ceed-dah)
Spanish: arcoíris (ar-coh-ee-rees)
Swahili: upinde wa mvua (oo-peen-de wah m-voo-ah)
Swedish: regnbåge (rayn-baw-ge)
Tagalog: bahaghari (ba-hag-ha-ree)
Tajik: камонрез (ka-mon-rez)
Tamil: வானவில் (vaa-na-vil)
Telugu: ఇంద్రధనుస్సు (indra-dha-nussu)
Thai: รุ้ง (rung)
Tibetan: འཇའ་ཚོན་ (ja-tsone)
Tigrinya: ቀስተ ሰማይ (k’este semay)
Turkish: gökkuşağı (gok-koo-sha-uh)
Turkmen: gama (ga-mah)
Ukrainian: веселка (ve-sel-ka)
Urdu: قوس قزح (qaws quzah)
Uzbek: kamalak (ka-ma-lak)
Vietnamese: cầu vồng (koh vohng)
Welsh: enfys (en-viss)
Wolof: njaxaslu boppu loolu (nja-xas-loo bop-poo loo-loo)
Xhosa: umnyama wemvula (oom-nya-mah wem-vu-lah)
Yiddish: רעגנבויגן (regen-boy-gen)
Yoruba: òjòpònpón (oh-joh-pon-pon)
Zulu: umnyama wemvula (oom-nya-mah wem-vu-lah)