- Arabic: فَضَاء خَارِجِيّ m (faḍāʔ ḵārijiyy)
- Armenian: տիեզերական տարածություն (hy) (tiezerakan taracutʻyun)
- Azerbaijani: kosmik fəza, kosmos
- Bashkir: йыһан (yıhan)
- Belarusian: касмі́чная прасто́ра f (kasmíčnaja prastóra), касьмі́чная прасто́ра f (kasʹmíčnaja prastóra), ко́смас (be) m (kósmas)
- Bulgarian: косми́ческо простра́нство n (kosmíčesko prostránstvo), ко́смос (bg) m (kósmos)
- Burmese: အာကာသ (my) (akasa.)
- Catalan: espai exterior (ca)
- Chinese:
- Mandarin: 太空 (zh) (tàikōng), 宇宙空間 / 宇宙空间 (zh) (yǔzhòu kōngjiān), 外層空間 / 外层空间 (zh) (wàicéng kōngjiān)
- Czech: kosmický prostor m
- Danish: ydre rum n
- Dutch: ruimte (nl) f
- Estonian: maailmaruum
- Finnish: ulkoavaruus
- French: espace cosmique m, cosmos (fr) m
- Georgian: კოსმოსი (ḳosmosi), ღია კოსმოსი (ɣia ḳosmosi)
- German: Weltraum (de) m, All (de) n, Weltall (de) n
- Greek: διάστημα (el) n (diástima)
- Gujarati: અંતરિક્ષ (antarikṣ)
- Hebrew: חָלָל חִיצוֹן m (khalál khitsón)
- Hindi: अंतरिक्ष (hi) m (antrikṣ)
- Hungarian: világűr (hu)
- Icelandic: útgeimur m
- Italian: spazio cosmico m, cosmo (it) m, spazio esterno m
- Japanese: 宇宙 (ja) (うちゅう, uchū), 宇宙空間 (ja) (うちゅうくうかん, uchūkūkan)
- Kazakh: ғарыш (ğaryş)
- Khmer: អវកាស (km) (ʼaʼvĕəʼkaah)
- Korean: 우주(宇宙) (ko) (uju), 우주 공간(宇宙空間) (uju gonggan)
- Kyrgyz: космос (ky) (kosmos)
- Lao: ອະວະກາດ (lo) (ʼa wa kāt)
- Latvian: kosmiskā telpa f
- Lithuanian: kosminė erdvė f
- Macedonian: вселенски простор m (vselenski prostor)
- Malay: angkasa lepas (ms)
- Maori: tuarangi
- Navajo: yágháhonikáán, yágháhookáán, yáhoníkáán
- Norwegian:
- Bokmål: verdensrom n, ytre rom m
- Pashto: بهرنى تشيال m (baharanay tǝšyāl)
- Persian:
- Iranian Persian: فَضا (fazâ), اِسْپاش (espâš), فَضایِ بیرونی (fazâ-ye biruni), فَضایِ کِیْهان (fazâ-ye keyhân)
- Polish: kosmos (pl) m inan, przestrzeń kosmiczna (pl) f
- Portuguese: espaço sideral (pt) m
- Romanian: spațiu cosmic (ro) n, spațiu interplanetar n, cosmos (ro) n
- Russian: ко́смос (ru) m (kósmos), откры́тый ко́смос m (otkrýtyj kósmos), косми́ческое простра́нство n (kosmíčeskoje prostránstvo)
- Serbo-Croatian:
- Cyrillic: све̏мӣр m, васио́на f, васељена f, космос m
- Roman: svȅmīr (sh) m, vasióna (sh) f, vaseljena f, kosmos (sh) m
- Slovak: kozmický priestor m
- Slovene: vesoljski prostor m
- Spanish: espacio exterior (es) m, espacio cósmico m
- Swahili: anga za juu
- Swedish: yttre rymden c
- Tajik: фазо (tg) (fazo), фазои берунӣ (fazo-yi beruni), фазои кайҳон (fazo-yi kayhon)
- Tamil: விண்வெளி (ta) (viṇveḷi)
- Tatar: галәми фәза (ğälämi fäza), фәза (tt) (fäza)
- Thai: อวกาศ (th) (à-wá-gàat)
- Turkish: dış uzay
- Ukrainian: космі́чний про́стір m (kosmíčnyj próstir), ко́смос m (kósmos)
- Urdu: فَضائے بَسِیط f (fazāe basīt)
- Uzbek: fazo (uz), kosmos (uz)
- Vietnamese: vũ trụ (vi)
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