Release Dates
| Australia | 17 April 2011 | (Sydney) (premiere) |
| Australia | 21 April 2011 | |
| Austria | 27 April 2011 | |
| Belgium | 27 April 2011 | |
| Switzerland | 27 April 2011 | (French speaking region) |
| Egypt | 27 April 2011 | |
| France | 27 April 2011 | |
| UK | 27 April 2011 | |
| Ireland | 27 April 2011 | |
| Iceland | 27 April 2011 | |
| Italy | 27 April 2011 | |
| Latvia | 27 April 2011 | |
| Norway | 27 April 2011 | |
| Sweden | 27 April 2011 | |
| United Arab Emirates | 28 April 2011 | |
| Argentina | 28 April 2011 | |
| Bosnia and Herzegovina | 28 April 2011 | |
| Bolivia | 28 April 2011 | |
| Switzerland | 28 April 2011 | (German speaking region) |
| Chile | 28 April 2011 | |
| Czech Republic | 28 April 2011 | |
| Germany | 28 April 2011 | |
| Denmark | 28 April 2011 | |
| Georgia | 28 April 2011 | |
| Greece | 28 April 2011 | |
| Hong Kong | 28 April 2011 | |
| Croatia | 28 April 2011 | |
| Hungary | 28 April 2011 | |
| Israel | 28 April 2011 | |
| South Korea | 28 April 2011 | |
| Kuwait | 28 April 2011 | |
| Kazakhstan | 28 April 2011 | |
| Lebanon | 28 April 2011 | |
| Malaysia | 28 April 2011 | |
| Netherlands | 28 April 2011 | |
| New Zealand | 28 April 2011 | |
| Peru | 28 April 2011 | |
| Portugal | 28 April 2011 | |
| Serbia | 28 April 2011 | |
| Russia | 28 April 2011 | |
| Singapore | 28 April 2011 | |
| Slovenia | 28 April 2011 | |
| Slovakia | 28 April 2011 | |
| Thailand | 28 April 2011 | |
| Ukraine | 28 April 2011 | |
| Uruguay | 28 April 2011 | |
| Bulgaria | 29 April 2011 | |
| Brazil | 29 April 2011 | |
| Switzerland | 29 April 2011 | (Italian speaking region) |
| Colombia | 29 April 2011 | |
| Cyprus | 29 April 2011 | |
| Ecuador | 29 April 2011 | |
| Estonia | 29 April 2011 | |
| Spain | 29 April 2011 | |
| India | 29 April 2011 | |
| Mexico | 29 April 2011 | |
| Panama | 29 April 2011 | |
| Philippines | 29 April 2011 | |
| Poland | 29 April 2011 | |
| Turkey | 29 April 2011 | |
| Taiwan | 29 April 2011 | |
| Venezuela | 29 April 2011 | |
| Vietnam | 29 April 2011 | |
| South Africa | 29 April 2011 | |
| USA | 2 May 2011 | (Hollywood, California) (premiere) |
| Finland | 4 May 2011 | |
| Canada | 6 May 2011 | |
| Ghana | 6 May 2011 | |
| Kenya | 6 May 2011 | |
| Lithuania | 6 May 2011 | |
| Nigeria | 6 May 2011 | |
| Romania | 6 May 2011 | |
| USA | 6 May 2011 | |
| China | 8 May 2011 | |
| Armenia | 14 May 2011 | |
| Pakistan | 20 May 2011 | |
| Japan | 2 July 2011 | |
| Cambodia | 28 July 2011 | |
| Bangladesh | 31 August 2011 | |
| Indonesia | 3 November 2011 |
Also Known As (AKA)
| Argentina | Thor |
| Bulgaria (Bulgarian title) | ТОР: Богът на гръмотевиците |
| Brazil | Thor |
| Canada (French title) | Thor |
| Colombia | Thor |
| Germany | Thor |
| Denmark | Thor |
| Spain | Thor |
| Finland | Thor |
| Finland (Swedish title) | Thor |
| France | Thor |
| Greece | Thor |
| Greece | Θoρ |
| Hungary | Thor |
| Israel (alternative title) (Hebrew title) | Thor |
| Japan (English title) | Mighty Thor |
| Lithuania | Toras |
| Mexico | Thor |
| Peru | Thor |
| Portugal | Thor |
| Romania (alternative title) | Thor |
| Serbia | Tor |
| Russia | Тор |
| Sweden | Thor |
| Slovenia | Thor |
| Turkey (Turkish title) | Thor |
| Ukraine | Тор |
| USA (fake working title) | Manhattan |
| USA (original script title) | Thor, God of Thunder |
| Uruguay | Thor |
| Venezuela | Thor |
| Venezuela (3-D version) | Thor 3D |
| Vietnam | Than Sam Thor |
| World-wide (English title) (copyright title) | The Mighty Thor |
