Release Dates
| Iceland | 7 April 2004 | |
| USA | 7 April 2004 | (Los Angeles, California) (premiere) |
| Canada | 9 April 2004 | |
| USA | 9 April 2004 | |
| Turkey | 16 April 2004 | |
| Lebanon | 23 April 2004 | |
| Egypt | 28 April 2004 | |
| Philippines | 28 April 2004 | (Manila) |
| United Arab Emirates | 12 May 2004 | |
| France | 13 May 2004 | (Cannes Film Market) |
| Israel | 13 May 2004 | |
| Bahrain | 2 June 2004 | |
| UK | 18 June 2004 | |
| Australia | 8 July 2004 | |
| Singapore | 8 July 2004 | |
| Norway | 16 July 2004 | |
| Greece | 23 July 2004 | |
| Philippines | 4 August 2004 | (Davao) |
| Mexico | 6 August 2004 | |
| Poland | 6 August 2004 | |
| France | 11 August 2004 | |
| Portugal | 12 August 2004 | |
| Thailand | 19 August 2004 | |
| South Korea | 23 August 2004 | |
| Czech Republic | 26 August 2004 | |
| Belgium | 1 September 2004 | |
| Estonia | 3 September 2004 | |
| Germany | 9 September 2004 | |
| Argentina | 23 September 2004 | |
| Japan | 25 September 2004 | |
| Kuwait | 29 September 2004 | |
| Italy | 1 October 2004 | |
| Hungary | 14 October 2004 | |
| Sweden | 20 October 2004 | (DVD premiere) |
| Slovakia | 28 October 2004 | |
| Spain | 29 October 2004 | |
| Austria | 5 November 2004 | |
| Finland | 10 November 2004 | (DVD premiere) |
| Netherlands | 14 December 2004 | (DVD premiere) |
| Chile | 3 February 2005 | |
| Georgia | 2 July 2005 | |
| Panama | 26 August 2005 |
Also Known As (AKA)
| Argentina | Mi vecino el asesino 2 |
| Austria | Keine halben Sachen 2 - Jetzt erst recht! |
| Brazil | Meu Vizinho Mafioso 2 |
| Canada (French title) | Le retour du nouveau voisin |
| Chile | Mi vecino el asesino 2 |
| Germany | Keine halben Sachen 2 - Jetzt erst recht! |
| Denmark | Ti fod under |
| Estonia | Kümme jardi |
| Spain | Más falsas apariencias |
| Finland | Koko potti 2 |
| France | Mon voisin le tueur 2 |
| Greece (transliterated ISO-LATIN-1 title) | O mafiozos tis diplanis portas xanahtypa |
| Croatia | Povratak ubojice mekog srca |
| Hungary | Már megint bérgyilkos a szomszédom |
| Italy | FBI: Protezione testimoni 2 |
| Poland | Jak ugryzc 10 milionów 2 |
| Portugal | Falsas Aparências 2 |
| Serbia | Povratak ubice mekog srca |
| Russia | Девять ярдов 2 |
| Sweden | Oss torpeder emellan 2 |
| Slovenia | Vrnitev morilca mehkega srca |
| Turkey (Turkish title) | Katil komsum geri döndü |
| USA (working title) | The Whole Nine Yards 2 |