- Afrikaans: Kaspiese See
- Albanian: Liqeni Kaspik m
- Amharic: ካስፒያን ባሕር (kaspiyan baḥr)
- Arabic: بَحْر قَزْوِين m (baḥr qazwīn), بَحْر الخَزَر m (baḥr al-ḵazar) (obsolete).
- Hijazi Arabic: بَحر قَزْوين m (baḥar gazwīn)
- Aragonese: Mar Caspia f
- Armenian: Կասպից ծով (hy) (Kaspicʻ cov)
- Asturian: Mar Caspiu m
- Azerbaijani: Xəzər dənizi (az)
- Bashkir: Каспий диңгеҙе (Kaspiy diñgeźe)
- Basque: Kaspiar Itsasoa
- Belarusian: Каспі́йскае мо́ра n (Kaspíjskaje móra)
- Bengali: কাস্পিয়ান সাগর (kaśpiẏan śagor)
- Breton: Mor Kaspia f
- Bulgarian: Каспи́йско мо́ре n (Kaspíjsko móre)
- Burmese: ကက်စပီယံပင်လယ် (kakca.piyampanglai)
- Catalan: Mar Càspia
- Chechen: Таркхойн хӏорд (Tarqojn hord), Каспийски хӏорд (Kaspiı̇ski hord)
- Chinese:
- Mandarin: 裏海 / 里海 (zh) (Lǐ hǎi)
- Czech: Kaspické moře (cs) n
- Danish: Kaspiske Hav n
- Dutch: Kaspische Zee (nl) c
- Esperanto: Kaspia Maro
- Estonian: Kaspia meri
- Farefare: Kaspi Ateko
- Faroese: Kaspiska havið n
- Finnish: Kaspianmeri (fi)
- French: mer Caspienne (fr) f
- Galician: Mar Caspio m
- Georgian: კასპიის ზღვა (ḳasṗiis zɣva)
- German: Kaspisches Meer (de) n
- Alemannic German: Kaspisches Meer n
- Greek: Κασπία Θάλασσα f (Kaspía Thálassa)
- Gujarati: કેસ્પિયન સમુદ્ર (kespiyan samudra)
- Hebrew: הים הכספי (ha-yam ha-kaspi)
- Hindi: कैस्पियन सागर m (kaispiyan sāgar)
- Hungarian: Kaszpi-tenger (hu)
- Icelandic: Kaspíahaf n
- Indonesian: Laut Kaspia
- Irish: Muir Chaisp f
- Italian: Mar Caspio (it) m
- Japanese: カスピ海 (ja) (Kasupi-kai)
- Kalmyk: Көк теңгс (Kök teñgs)
- Kannada: ಕ್ಯಾಸ್ಪಿಯನ್ ಸಮುದ್ರ (kyāspiyan samudra)
- Kashubian: Kaspijsczé Mòrzé n
- Kazakh: Каспий теңізі (Kaspii teñızı), Атырау теңізі (Atyrau teñızı)
- Khmer: សមុទ្រកាសព្យែន (sɑɑmutrɔɔkaahpyɛɛn)
- Korean: 카스피 해 (ko) (Kaseupi hae)
- Kurdish:
- Central Kurdish: زەریای قەزوین (zerya-î qezwîn)
- Northern Kurdish: Derya-ye Mazenderan
- Kyrgyz: Каспий деңизи (Kaspiy deŋizi)
- Lao: ທະເລກາສະປີແອນ (tha lē kā sa pī ʼǣn)
- Latin: Caspium mare n, Mare Caspium n
- Latvian: Kaspijas jūra f
- Lithuanian: Kaspijos jūra
- Luxembourgish: Kaspescht Mier (lb) n
- Macedonian: Касписко Море n (Kaspisko More)
- Malay: Laut Kaspia
- Malayalam: കാസ്പിയൻ കടൽ (kāspiyaṉ kaṭal)
- Maltese: il-Baħar Kaspjan
- Manx: Yn Vooir Chaspagh f
- Marathi: कॅस्पियन समुद्र m (kĕspiyan samudra)
- Mongolian:
- Cyrillic: Каспийн тэнгис (Kaspiin tengis)
- Mongolian: ᠺᠠᠰᠫᠢ ᠶᠢᠨ
ᠲᠡᠩᠭᠢᠰ (kaspi-yin tenggis)
- Navajo: Kéésbiyinsíi
- Nepali: क्यासपियन सागर (kyāsapiyan sāgar)
- Norwegian:
- Bokmål: Det kaspiske hav, Kaspihavet
- Nynorsk: Kaspihavet
- Old English: Caspia
- Ossetian: Къаспы денджыз (K’aspy denǵyz)
- Persian: دریای مازندران (fa) (daryâ-ye mâzandarân), دریای خزر (fa) (daryâ-ye xazar), دریاچهٔ مازندران (daryâče-ye mâzandarân)
- Polish: Morze Kaspijskie (pl) n
- Portuguese: Mar Cáspio m
- Punjabi: ਕੈਸਪੀਅਨ ਸਮੁੰਦਰ (kaispīana samundar)
- Romanian: Marea Caspică f
- Russian: Каспи́йское мо́ре (ru) n (Kaspíjskoje móre)
- Scottish Gaelic: Muir Caspach f
- Serbo-Croatian:
- Cyrillic: Каспијско море n
- Roman: Kaspijsko more n
- Slovak: Kaspické more n
- Slovene: Káspijsko jézero (sl) n
- Sorbian:
- Lower Sorbian: Kaspiske mórjo
- Upper Sorbian: Kaspiske morjo
- Spanish: mar Caspio (es) m
- Swedish: Kaspiska havet (sv) n
- Tajik: Баҳри Каспий (Bahr-i Kaspiy)
- Tamil: காசுப்பியன் கடல் (kācuppiyaṉ kaṭal)
- Tatar: Каспий диңгезе (Qaspiy diñgeze)
- Telugu: కాస్పియన్ సముద్రం (te) (kāspiyan samudraṁ)
- Thai: ทะเลแคสเปียน (tá-lee kɛɛ-sɔ̌ɔ-bpian)
- Turkish: Hazar Denizi (tr)
- Turkmen: Hazar deňizi
- Ukrainian: Каспі́йське мо́ре n (Kaspíjsʹke móre)
- Uyghur: ھازار دېڭىزى (hazar dë'ngizi)
- Uzbek: Kaspiy dengizi
- Vietnamese: Biển Caspi
- Welsh: Môr Caspia m
- West Frisian: Kaspyske See
- Written Oirat: ᡍᡈᡍᡈ
ᡐᡄᡊᡎᡄᠰ (kökö tengges)
- Yiddish: קאספּישער ים (kaspisher yam), כאזאר ים (khazar yam)
|