- Afrikaans: Indiese Oseaan
- Albanian: Oqeani Indian (sq) m
- Amharic: ሕንድ ውቅያኖስ (ḥənd wəḳyanos)
- Arabic: الْمُحِيط الْهِنْدِيّ m (al-muḥīṭ al-hindiyy)
- Armenian: Հնդկական օվկիանոս (Hndkakan ōvkianos)
- Assamese: ভাৰত মহাসাগৰ (bharot mohaxagor)
- Azerbaijani: Hind okeanı (az)
- Basque: Indiako ozeanoa
- Belarusian: Інды́йскі акія́н m (Indýjski akiján)
- Bengali: ভারত মহাসাগর (bharot mohaśagor)
- Breton: Meurvor Indez m
- Bulgarian: Инди́йски океа́н m (Indíjski okeán)
- Burmese: အိန္ဒိယသမုဒ္ဒရာ (indi.ya.sa.mudda.ra)
- Buryat: Энэдхэгэй далай (Enedxegej dalaj)
- Carpathian Rusyn: Інді́йскый океа́н m (Indíjskŷj okeán)
- Catalan: Oceà Índic m
- Chinese:
- Mandarin: 印度洋 (zh) (Yìndùyáng)
- Cornish: Keynvor Eyndek m
- Czech: Indický oceán (cs) m
- Danish: Indiske Ocean
- Dhivehi: ހިންދު ކަނޑު (hin̊du kaⁿḍu)
- Dutch: Indische Oceaan (nl) m
- Esperanto: Hinda Oceano (eo)
- Estonian: India ookean
- Faroese: Indiska hav n
- Finnish: Intian valtameri (fi)
- French: océan Indien (fr) m
- Galician: océano Índico (gl) m, Índico (gl) m
- Georgian: ინდოეთის ოკეანე (indoetis oḳeane)
- German: Indischer Ozean (de) m
- Greek: Ινδικός Ωκεανός (el) m (Indikós Okeanós)
- Gujarati: હિંદ મહાસાગર (hind mahāsāgar)
- Hebrew: הָאוֹקְיָנוֹס הַהֹדּי (he) m (ha-okyanós ha-hódi)
- Hindi: हिंद महासागर m (hind mahāsāgar), हिन्द महासागर (hi) m (hind mahāsāgar)
- Hungarian: Indiai-óceán (hu)
- Icelandic: Indlandshaf (is) n
- Indonesian: Samudra Hindia
- Irish: An tAigéan Indiach m
- Italian: Oceano Indiano (it) m
- Japanese: インド洋 (ja) (Indoyō), 印度洋 (ja) (Indoyō)
- Kannada: ಹಿಂದೂ ಮಹಾಸಾಗರ (hindū mahāsāgara)
- Kazakh: Үнді мұхиты (Ündı mūxity)
- Khmer: មហាសមុទ្រឥណ្ឌា (mĕəʼhaasaʼmot ʼəndiə)
- Korean: 인도양(印度洋) (ko) (Indoyang)
- Kyrgyz: Инди океаны (İndi okeanı)
- Lao: ມະຫາສະໝຸດອິນເດຍ (ma hā sa mut ʼin dīa)
- Latvian: Indijas okeāns m
- Lithuanian: Indijos vandenynas (lt) m
- Macedonian: Индиски Океа́н m (Indiski Okeán)
- Malay: Lautan Hindi (ms), Lautan Kidul
- Malayalam: ഇന്ത്യൻ മഹാസമുദ്രം (intyaṉ mahāsamudraṁ)
- Maltese: l-Oċean Indjan
- Marathi: हिंदी महासागर (hindī mahāsāgar)
- Mongolian: Энэтхэгийн Далай (Enetxegiin Dalaj)
- Navajo: Bitsįʼ yishtłizhii tónteel
- Nepali: हिन्द महासागर (hinda mahāsāgar)
- Norman: Océan Îndgien m
- Norwegian:
- Bokmål: Indiahavet (no), Det indiske hav
- Nynorsk: Indiahavet, Det indiske havet
- Ojibwe: Intia Gichigami
- Pashto: هندي سمندر m (hendí samandár)
- Persian: اقیانوس هند (oqyânus-e hend)
- Polish: Ocean Indyjski (pl) m
- Portuguese: Oceano Índico (pt) m, Índico (pt) m
- Punjabi: ਹਿੰਦ ਮਹਾਂਸਾਗਰ (hind mahānsāgar)
- Romanian: Oceanul Indian (ro) n
- Russian: Инди́йский океа́н (ru) m (Indíjskij okeán)
- Scottish Gaelic: An Cuan Innseanach m
- Serbo-Croatian:
- Cyrillic: Индијски океан m, Индијски оцеан m
- Roman: Indijski okean m, Indijski ocean m
- Sinhalese: ඉන්දියානු සාගරය (indiyānu sāgaraya)
- Slovak: Indický oceán m
- Slovene: Indijski ocean m
- Somali: Badweynta Hindia
- Sotho: Lewatle la India
- Spanish: océano Índico (es) m, Índico (es) m
- Swahili: Bahari ya Hindi
- Swedish: Indiska oceanen (sv)
- Tagalog: Karagatang Indiyano
- Tajik: Уқёнуси Ҳинд (Uqyonus-i Hind)
- Tamil: இந்தியப் பெருங்கடல் (ta) (intiyap peruṅkaṭal), இந்து மகாசமுத்திரம் (intu makācamuttiram) (dated)
- Tatar: Һинд океаны (Hind oqeanı)
- Telugu: హిందూ మహాసముద్రం (te) (hindū mahāsamudraṁ)
- Thai: มหาสมุทรอินเดีย (th) (má-hǎa-sà-mùt-in-diia)
- Tigrinya: ህንዳዊ ውቅያኖስ (həndawi wəḳyanos)
- Turkish: Hint Okyanusu (tr)
- Turkmen: Hindi okeany
- Ukrainian: Інді́йський океа́н m (Indíjsʹkyj okeán)
- Urdu: بحر ہند m (behr hind)
- Uyghur: ھىندى ئوكيان (hindi okyan)
- Uzbek: Hind okeani
- Vietnamese: Ấn Độ Dương (vi) (印度洋 (vi))
- Volapük: Lindean (vo)
- Welsh: Cefnfor India (cy), Cefnfor India (cy)
- Western Panjabi: وڈا سمندر ہند (vḍā smndr hnd)
- Yiddish: אינדישער אָקעאַן m (indisher okean)
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