| Country | Date | |
|---|---|---|
| Italy | 24 April 2006 | (Rome) (premiere) |
| Netherlands | 26 April 2006 | (Amsterdam) (premiere) |
| Belgium | 3 May 2006 | |
| France | 3 May 2006 | |
| Greece | 3 May 2006 | |
| Hong Kong | 3 May 2006 | |
| Singapore | 3 May 2006 | |
| South Korea | 3 May 2006 | |
| Switzerland | 3 May 2006 | (French speaking region) |
| Taiwan | 3 May 2006 | |
| Thailand | 3 May 2006 | |
| United Arab Emirates | 3 May 2006 | |
| Argentina | 4 May 2006 | |
| Australia | 4 May 2006 | |
| Chile | 4 May 2006 | |
| Germany | 4 May 2006 | |
| Hungary | 4 May 2006 | |
| Israel | 4 May 2006 | |
| Lebanon | 4 May 2006 | |
| Russia | 4 May 2006 | |
| Serbia | 4 May 2006 | |
| Slovenia | 4 May 2006 | |
| UK | 4 May 2006 | |
| Austria | 5 May 2006 | |
| Brazil | 5 May 2006 | |
| Denmark | 5 May 2006 | |
| Estonia | 5 May 2006 | |
| Finland | 5 May 2006 | |
| Iceland | 5 May 2006 | |
| Italy | 5 May 2006 | |
| Mexico | 5 May 2006 | |
| Norway | 5 May 2006 | |
| Panama | 5 May 2006 | |
| Philippines | 5 May 2006 | |
| Poland | 5 May 2006 | |
| Spain | 5 May 2006 | |
| Sweden | 5 May 2006 | |
| Turkey | 5 May 2006 | |
| USA | 5 May 2006 | |
| Venezuela | 5 May 2006 | |
| Egypt | 17 May 2006 | |
| Vietnam | 26 May 2006 | |
| India | 16 June 2006 | |
| Pakistan | 16 June 2006 | |
| Japan | 8 July 2006 | |
| China | 20 July 2006 |
| M:i:III | Brazil (DVD title) / France (poster title) / International (promotional abbreviation) (English title) / UK (promotional abbreviation) / USA (promotional abbreviation) |
| Misión: Imposible III | Argentina / Venezuela |
| Mission: Impossible III | Canada (French title) / Germany |
| Epikindyni apostoli 3 | Greece |
| Görevimiz tehlike III | Turkey (Turkish title) |
| Heyday | USA (fake working title) |
| M: i: III | Spain (DVD title) |
| Misión Imposible 3 | Spain |
| Missão: Impossível III | Brazil |
| Võimatu missioon III | Estonia |
| Vaarallinen tehtävä III | Finland |
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