Release Info
Release Dates
| USA | 25 May 1979 | |
| Soviet Union | 28 May 1979 | |
| Japan | 21 July 1979 | |
| Brazil | 20 August 1979 | |
| Puerto Rico | 30 August 1979 | |
| UK | 1 September 1979 | (Edinburgh Film Festival) |
| UK | 6 September 1979 | (premiere) (London) |
| France | 12 September 1979 | |
| Belgium | 13 September 1979 | |
| Colombia | 13 September 1979 | |
| Spain | 25 September 1979 | |
| South Africa | 3 October 1979 | |
| Denmark | 12 October 1979 | |
| Ireland | 12 October 1979 | |
| Portugal | 21 October 1979 | |
| Italy | 25 October 1979 | |
| Netherlands | 25 October 1979 | |
| West Germany | 25 October 1979 | |
| Austria | 26 October 1979 | |
| Finland | 26 October 1979 | |
| Philippines | 31 October 1979 | (Davao) |
| Singapore | 31 October 1979 | |
| UK | 1 November 1979 | |
| Israel | 2 November 1979 | |
| Sweden | 2 November 1979 | |
| Cyprus | 5 November 1979 | |
| Greece | 5 November 1979 | |
| Norway | 13 November 1979 | |
| Hong Kong | 14 November 1979 | |
| Malaysia | 15 November 1979 | |
| Mexico | 21 November 1979 | |
| Australia | 6 December 1979 | |
| India | 6 December 1979 | |
| Argentina | 25 December 1979 | |
| Chile | 25 December 1979 | |
| Poland | 1980 | |
| Bolivia | 1 January 1980 | |
| New Zealand | 24 January 1980 | |
| Peru | 24 January 1980 | |
| Jamaica | 6 February 1980 | |
| Taiwan | 16 February 1980 | |
| Egypt | 10 March 1980 | |
| South Africa | 10 March 1980 | |
| Uruguay | 28 March 1980 | |
| Venezuela | 28 March 1980 | |
| Hungary | 15 January 1981 | |
| India | 30 January 1981 | |
| Turkey | November 1981 | |
| Czechoslovakia | 1 July 1982 | |
| Thailand | 28 August 1982 | |
| South Korea | 1 October 1987 | |
| Canada | 6 September 2003 | (Toronto International Film Festival) (director's cut) |
| France | 13 September 2003 | (Deauville Film Festival) (director's cut) |
| USA | 9 October 2003 | (Austin Film Festival) (director's cut) |
| Ireland | 17 October 2003 | (Cork International Film Festival) (director's cut) |
| Belgium | 22 October 2003 | (director's cut) |
| Germany | 23 October 2003 | (director's cut) |
| Netherlands | 23 October 2003 | (director's cut) |
| Mexico | 24 October 2003 | (director's cut) |
| Puerto Rico | 24 October 2003 | (Director's cut) |
| Spain | 24 October 2003 | (director's cut) |
| Ireland | 25 October 2003 | (Dublin Horrorthon Film Festival) (director's cut) |
| Norway | 29 October 2003 | (director's cut) |
| USA | 29 October 2003 | (director's cut) |
| UK | 31 October 2003 | (director's cut) |
| France | 12 November 2003 | (director's cut) |
| Australia | 13 November 2003 | (director's cut) |
| Sweden | 13 November 2003 | (director's cut) |
| Italy | 14 November 2003 | (director's cut) |
| Poland | 14 November 2003 | (director's cut) |
| Brazil | 19 December 2003 | (director's cut) |
| Japan | 31 January 2004 | (director's cut) |
| Argentina | 5 February 2004 | (director's cut) |
| Canada | 4 February 2011 | (Digital Film Festival) |
Also Known As (AKA)
| Alien - El octavo pasajero | Argentina, Mexico, Peru, World-wide (Spanish title) |
| Alien | Japan (English title), Sweden |
| Alien, el octavo pasajero | Spain (imdb display title), Uruguay |
| Alien: Osmi putnik | Croatia (imdb display title), Yugoslavia (imdb display title) (Croatian title) |
| A nyolcadik utas: a Halál | Hungary |
| Alien - Das unheimliche Wesen aus einer fremden Welt | West Germany |
| Alien - Den 8. passager | Denmark |
| Alien - Director's Cut | Germany (director's cut) |
| Alien - Kahdeksas matkustaja | Finland (imdb display title) |
| Alien - Le huitième passager | France |
| Alien - O 8.º Passageiro | Portugal |
| Alien - den 8. passageraren | Finland (imdb display title) (Swedish title) |
| Alien den åttonde passageraren | Sweden |
| Alien, de achtste passagier | Belgium (imdb display title) (Flemish title) |
| Alien, el octavo pasajero: El montaje del director | Spain (director's cut) |
| Alien, o Oitavo Passageiro | Brazil |
| Alien, o epivatis tou diastimatos | Greece (transliterated ISO-LATIN-1 title) |
| Alien: Den åttende passasjer | Norway |
| Alien: The Director's Cut | USA (director's cut) |
| Ha-Nose'a HaShmini | Israel (Hebrew title) |
| L'étranger: le huitième passager | Canada (French title) |
| Obcy - 8. pasazer Nostromo | Poland (imdb display title) |
| Osmi potnik | Slovenia (imdb display title) |
| Osmi putnik | Yugoslavia (Serbian title) |
| Star Beast | USA (working title) |
| Tulnukas | Estonia (promotional title) |
| Tuđin | Serbia |
| Vetrelec | Czechoslovakia (Czech title) |
| Votrelec | Czechoslovakia (Slovak title) |
| Yaratik | Turkey (Turkish title) |
| Пришълецът | Bulgaria (Bulgarian title) |
| Чужoй | Russia |
