Release Dates
| USA | 25 February 2002 | (premiere) |
| USA | 1 March 2002 | |
| Philippines | 6 March 2002 | (Manila) |
| Greece | 8 March 2002 | |
| Ireland | 8 March 2002 | |
| UK | 8 March 2002 | |
| Taiwan | 22 March 2002 | |
| Hong Kong | 28 March 2002 | |
| Iceland | 29 March 2002 | |
| Philippines | 10 April 2002 | (Davao) |
| Denmark | 12 April 2002 | |
| Belgium | 17 April 2002 | |
| France | 17 April 2002 | |
| Netherlands | 18 April 2002 | |
| Finland | 19 April 2002 | |
| Egypt | 24 April 2002 | |
| Australia | 25 April 2002 | |
| New Zealand | 25 April 2002 | |
| Norway | 3 May 2002 | |
| South Korea | 3 May 2002 | |
| Turkey | 10 May 2002 | |
| Israel | 30 May 2002 | |
| Sweden | 31 May 2002 | |
| South Africa | 14 June 2002 | |
| Japan | 22 June 2002 | |
| Kuwait | 25 June 2002 | |
| Estonia | 28 June 2002 | |
| Spain | 28 June 2002 | |
| Germany | 4 July 2002 | |
| Switzerland | 4 July 2002 | (German speaking region) |
| Austria | 5 July 2002 | |
| Poland | 12 July 2002 | |
| Portugal | 12 July 2002 | |
| Lithuania | 19 July 2002 | |
| Mexico | 19 July 2002 | |
| Hungary | 25 July 2002 | |
| Czech Republic | 15 August 2002 | |
| Russia | 22 August 2002 | |
| Italy | 23 August 2002 | |
| Argentina | 19 September 2002 | |
| Peru | 28 November 2002 | |
| Indonesia | 16 February 2005 | (TV premiere) |
Also Known As (AKA)
| Argentina | Fuimos soldados |
| Austria | Wir waren Helden |
| Brazil | Fomos Heróis |
| Canada (French title) | Nous étions soldats |
| Czech Republic | Údolí stínu |
| Germany | Wir waren Helden |
| Spain | Cuando éramos soldados |
| Finland | Olimme sotilaita |
| France | Nous étions soldats |
| Greece (transliterated ISO-LATIN-1 title) | Imastan kapote stratiotes |
| Hungary | Katonák voltunk |
| Italy | We Were Soldiers - Fino all'ultimo uomo |
| Lithuania | Mes buvome kariai |
| Mexico | Fuímos heroes |
| Poland | Bylismy zolnierzami |
| Portugal | Fomos Soldados... |
| Romania | Am fost cîndva soldati... si tineri |
| Serbia | Bili smo vojnici |
| Russia | Мы были солдатами |
| Turkey (Turkish title) | Bir zamanlar askerdik |
| USA (original script title) | The Lost Patrol |
| USA (working title) | We Were Soldiers Once... and Young |