- Afrikaans: Atlantiese Oseaan
- Albanian: Oqeani Atlantik (sq) m
- Amharic: አትላንቲክ ውቅያኖስ (ʾätlantik wəḳyanos)
- Arabic: الْمُحِيط الْأَطْلَسِيّ m (al-muḥīṭ al-ʔaṭlasiyy), الْأَطْلَسِيّ m (al-ʔaṭlasiyy)
- Egyptian Arabic: الأطلنطي m (el-ʔaṭlanṭi), الأطلسي m (el-ʔaṭlasi)
- Armenian: Ատլանտյան օվկիանոս (hy) (Atlantyan ōvkianos)
- Asturian: Atlánticu m
- Azerbaijani: Atlantik okean (az)
- Basque: Ozeano Atlantikoa
- Belarusian: Атланты́чны акія́н m (Atlantýčny akiján)
- Bengali: আতলসী মহাসাগর (atlośi mohaśagor)
- Breton: Meurvor Atlantel m
- Bulgarian: Атланти́чески океа́н m (Atlantíčeski okeán)
- Burmese: အတ္တလန္တိတ်သမုဒ္ဒရာ (atta.lantitsa.mudda.ra)
- Buryat: Атлантын далай (Atlantyn dalaj)
- Catalan: Oceà Atlàntic m
- Chinese:
- Mandarin: 大西洋 (zh) (Dàxīyáng)
- Cornish: Keynvor Atlantek m
- Czech: Atlantský oceán (cs) m
- Danish: Atlanterhavet (da) ?, Atlanten (da) ?
- Dutch: Atlantische Oceaan (nl) f, Atlantisch (nl)
- Esperanto: Atlantika Oceano (eo)
- Estonian: Atlandi ookean
- Farefare: Ateko Atlantika, Ateko la Ãnkra
- Faroese: Atlanshav n
- Finnish: Atlantin valtameri (fi), Atlantti (fi)
- French: océan Atlantique (fr) m, l’Atlantique (fr) m
- Galician: océano Atlántico (gl) m, Atlántico (gl) m
- Georgian: ატლანტის ოკეანე (aṭlanṭis oḳeane), ატლანტიკის ოკეანე (aṭlanṭiḳis oḳeane)
- German: Atlantischer Ozean (de) m, Atlantik (de) m
- Greek: Ατλαντικός Ωκεανός (el) m (Atlantikós Okeanós)
- Ancient Greek: Ὠκεᾰνός m (Ōkeanós)
- Gujarati: એટલાન્ટિક મહાસાગર (eṭalānṭik mahāsāgar)
- Haitian Creole: Oseyan Atlantik
- Hawaiian: Moana ʻAkelanika
- Hebrew: האוקיינוס האטלנטי \ הָאוֹקְיָנוֹס הָאַטְלַנְטִי m (ha-okyanós ha-atlánti)
- Hindi: अन्ध महासागर (hi) m (andh mahāsāgar), अटलांटिक महासागर (aṭlāṇṭik mahāsāgar)
- Hungarian: Atlanti-óceán (hu)
- Icelandic: Atlantshaf (is) n
- Indonesian: Samudra Atlantik
- Irish: An tAigéan Atlantach m
- Italian: Oceano Atlantico (it) m
- Japanese: 大西洋 (ja) (たいせいよう, Taiseiyō)
- Kannada: ಅಟ್ಲಾಂಟಿಕ್ ಮಹಾಸಾಗರ (kn) (aṭlāṇṭik mahāsāgara)
- Kazakh: Атлант мұхиты (Atlant mūxity)
- Khmer: មហាសមុទ្រអាត្លង់ទិក (mĕəʼhaasaʼmot ʼaatlɑngtɨk), អាត្លង់ទិក (ʼaatlɑngtɨk)
- Korean: 대서양(大西洋) (ko) (Daeseoyang)
- Kyrgyz: Атлантика океаны (Atlantika okeanı)
- Lao: ມະຫາສະໝຸດອັດລັງຕິກ (ma hā sa mut ʼat lang tik)
- Latin: Ātlanticus m
- Latvian: Atlantijas okeāns m
- Lithuanian: Atlanto vandenynas (lt) m
- Macedonian: Атла́нтски Океа́н m (Atlántski Okeán)
- Malay: Lautan Atlantik (ms)
- Malayalam: അറ്റ്ലാന്റിക് മഹാസമുദ്രം (aṟṟlānṟikŭ mahāsamudraṁ)
- Maltese: l-Oċean Atlantiku m
- Manx: Yn Keayn Sheear m
- Maori: Moana Ranatiki
- Marathi: अटलांटिक महासागर ? (aṭlāṇṭik mahāsāgar)
- Mongolian: Атлантын далай (Atlantyn dalaj)
- Nahuatl: Ilhuicaātl Atlántico
- Navajo: Haʼaʼaahjí tónteel
- Nepali: आन्ध्र महासागर (āndhra mahāsāgar)
- Norwegian: Atlanterhavet n, Atlanteren m, dammen m (colloquial), Vesterhavet (no) n (archaic)
- Occitan: Atlantic (oc) m
- Ojibwe: Wendaabang Gichigami
- Old English: Westsǣ m
- Pashto: اتلانتيک سمندر m (atlāntík samandár)
- Persian: اقیانوس اطلس (oqyânus-e atlas)
- Polish: Ocean Atlantycki (pl) m, Atlantyk (pl) m
- Portuguese: Atlântico (pt) m, Oceano Atlântico (pt) m
- Punjabi: ਅੰਧ ਮਹਾਂਸਾਗਰ ? (andha mahānsāgar)
- Romanian: Oceanul Atlantic (ro) n
- Russian: Атла́нтика (ru) f (Atlántika), Атланти́ческий океа́н (ru) m (Atlantíčeskij okeán)
- Scottish Gaelic: An Cuan Mòr m, An Cuan Siar m, Na h-Abh f, An Tabh m
- Serbo-Croatian:
- Cyrillic: А̀тлантскӣ окѐа̄н m, Атлантски оцеан m
- Roman: Àtlantskī okèān m, Atlantski ocean m
- Sinhalese: අත්ලාන්තික් සාගරය (atlāntik sāgaraya)
- Slovak: Atlantický oceán m
- Slovene: Atlantski ocean m
- Somali: Badweynta Atlaantik
- Sotho: Lewatle la Atlelantiki
- Spanish: océano Atlántico (es) m, Atlántico (es) m
- Swahili: Atlantiki
- Swedish: Atlanten (sv) c, pölen (sv) c (colloquial)
- Tagalog: Karagatang Atlantiko
- Tajik: Уқёнуси Атлантик (Uqyonus-i Atlantik)
- Tamil: அத்திலாந்திக்குப் பெருங்கடல் (attilāntikkup peruṅkaṭal)
- Tatar: Атлантик океан (Atlantik oqean)
- Telugu: అట్లాంటిక్ మహాసముద్రం (te) (aṭlāṇṭik mahāsamudraṁ)
- Thai: มหาสมุทรแอตแลนติก (th) (má-hǎa-sà-mùt-ɛ́t-lɛɛn-dtìk)
- Tibetan: ནུབ་རྒྱ་མཚོ་ཆེན་པོ (nub rgya mtsho chen po)
- Tigrinya: ኣትላንቲካዊ ውቅያኖስ (ʾatlantikawi wəḳyanos)
- Turkish: Atlas Okyanusu (tr), Atlantik Okyanusu (tr)
- Turkmen: Atlantik okean
- Ukrainian: Атланти́чний океа́н m (Atlantýčnyj okeán)
- Urdu: بحر اوقیانوس (bahr-e ūqyânūs), بحر ظلمات (bahr-e zulmât)
- Uyghur: ئاتلانتىك ئوكيان (atlantik okyan)
- Uzbek: Atlantika okeani
- Vietnamese: Đại Tây Dương (vi) (大西洋 (vi))
- Volapük: Latlantean
- Welsh: Môr Iwerydd m, yr Iwerydd m
- Yiddish: אַטלאַנטישער אָקעאַן m (atlantisher okean), אַטלאַנטיק (atlantik)
- Zhuang: Dasihyangz
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