- Albanian: yllplimje f, galaktikë (sq) f
- Arabic: مَجَرَّة f (majarra)
- Armenian: գալակտիկա (hy) (galaktika), ծիրկաթին (hy) (cirkatʻin)
- Asturian: galaxa f
- Azerbaijani: qalaktika
- Bashkir: галактика (galaktika)
- Basque: galaxia (eu)
- Belarusian: гала́ктыка (be) f (haláktyka)
- Bengali: ছায়াপথ (bn) (chaẏapoth)
- Breton: galaksienn (br) f
- Bulgarian: гала́ктика (bg) f (galáktika)
- Burmese: ဂယ်လက်ဆီ (gailakhci)
- Buryat: галактика (galaktika)
- Catalan: galàxia (ca) f
- Chinese:
- Mandarin: 恆星系 / 恒星系 (zh) (héngxīngxì), 群星 (zh) (qúnxīng), 星系 (zh) (xīngxì)
- Cornish: galaksi m
- Czech: galaxie (cs) f
- Danish: galakse (da)
- Dutch: sterrenstelsel (nl) n
- Esperanto: galaksio (eo)
- Estonian: galaktika
- Faroese: stjørnugrús f
- Finnish: galaksi (fi), tähtikunta
- French: galaxie (fr) f
- Friulian: galassie f
- Galician: galaxia (gl) f
- Georgian: გალაქტიკა (ka) (galakṭiḳa)
- German: Galaxie (de) f, Galaxis (de) f, Welteninsel (de) f
- Greek: γαλαξίας (el) m (galaxías)
- Hebrew: גָּלַקְסְיָה f (galáksia)
- Hindi: मंदाकिनी (hi) (mandākinī)
- Hungarian: galaxis (hu), csillagváros (hu)
- Icelandic: stjörnuþoka (is) f, vetrarbraut (is) f
- Ido: galaxio (io)
- Indonesian: galaksi (id)
- Ingush: гӏалактик (ğalaktik)
- Interlingua: galaxia
- Irish: réaltra m
- Italian: galassia (it) f
- Japanese: 銀河 (ja) (ぎんが, ginga), 銀河系 (ja) (ぎんがけい, gingakei), 星雲 (ja) (せいうん, seiun)
- Javanese: galaksi
- Kazakh: галактика (galaktika)
- Khmer: តារាវលី (taaraavĕəʼlii), ចក្ររាសី (km) (cakkraʼ riəsəy), កាឡាក់ស៊ី (km) (kaalaksii)
- Korean: 은하(銀河) (ko) (eunha), 은하계(銀河系) (ko) (eunhagye)
- Kyrgyz: галактика (galaktika)
- Lao: ກາເລັກຊີ (lo) (kā lek sī)
- Latin: galaxias m
- Latvian: galaktika f
- Lithuanian: galaktika (lt) f
- Macedonian: галаксија (mk) f (galaksija)
- Malay: galaksi, cakerawala (ms)
- Maltese: galassja f
- Manx: ard-chruinnaght f
- Mongolian: галактик (mn) (galaktik)
- Navajo: sǫʼ dah shijaaʼ, yáʼąąh honíkáán
- Norman: galaxie f
- Norwegian: galakse (no) m
- Pashto: کهکشان (ps) m (kahkašãn)
- Persian: کهکشان (fa) (kahkašân)
- Middle Persian: 𐭥𐭠𐭮 𐭩 𐭪𐭠𐭩𐭥𐭮𐭠𐭭𐭩 (rāh ī kāyōsān)
- Polish: galaktyka (pl) f
- Portuguese: galáxia (pt) f
- Romanian: galaxie (ro) f
- Romansch: galaxia
- Russian: гала́ктика (ru) f (galáktika)
- Sanskrit: आकाशगङ्गा (sa) f (ākāśagaṅgā), मन्दाकिनी (sa) (mandākinī)
- Scottish Gaelic: Slighe Chlann Uisnich f
- Serbo-Croatian:
- Cyrillic: гала̀ксија f
- Roman: galàksija (sh) f
- Sinhalese: මන්දාකිණි (si) (mandākiṇi)
- Slovak: galaxia (sk) f
- Slovene: galaksija (sl) f
- Spanish: galaxia (es) f
- Swahili: galaksi
- Swedish: galax (sv)
- Tagalog: galaksiya, sanlibutan
- Tajik: галактика (galaktika), каҳкашон (tg) (kahkašon)
- Tatar: галактика (ğalaqtika)
- Thai: ดาราจักร (th) (daa-raa-jàk), กาแล็กซี (th) (gaa-lɛ́k-sîi)
- Tibetan: དགུ་ཚིགས (dgu tshigs, literally “many links”)
- Turkish: galaksi (tr), gök ada (tr)
- Turkmen: galaktika
- Ukrainian: гала́ктика f (haláktyka)
- Urdu: کہکشاں f (kahkaśā̃)
- Uyghur: گالاكتىكا (galaktika)
- Uzbek: galaktika (uz)
- Vietnamese: thiên hà (vi) (天河)
- Volapük: galaxid (vo), (obsolete) galaxüt
- Welsh: galaeth f
- Yiddish: גאַלאַקטיק f (galaktik)
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