| Country | Date | |
|---|---|---|
| USA | 20 December 1946 | (New York City, New York) |
| USA | 7 January 1947 | |
| Brazil | 14 February 1947 | |
| Sweden | 4 August 1947 | |
| Uruguay | 17 September 1947 | |
| Australia | 16 October 1947 | |
| Denmark | 22 March 1948 | |
| Spain | 27 March 1948 | |
| Italy | 24 June 1948 | |
| France | 28 July 1948 | |
| Finland | 13 May 1949 | |
| Hong Kong | 6 October 1949 | |
| Belgium | 7 June 1951 | |
| Netherlands | 7 June 1951 | |
| Philippines | 30 April 1953 | (Davao) |
| Japan | 17 February 1954 | |
| West Germany | 25 December 1962 | (TV premiere) |
| Canada | 16 September 1977 | (Toronto Film Festival) |
| UK | 5 December 1997 | (re-release) |
| UK | 14 December 2007 | (re-release) |
| UK | 19 December 2008 | (re-release) |
| Australia | 28 December 2008 | (re-release) |
| Greece | 22 October 2009 | (Panorama of European Cinema) |
| La vie est belle | Belgium (French title) / Canada (French title) / France |
| Ist das Leben nicht schön? | Austria (TV title) / West Germany (TV title) |
| ¡Qué bello es vivir! | Spain |
| ¡Que bello es vivir! | Uruguay |
| A Felicidade Não Se Compra | Brazil |
| Az élet csodaszép | Hungary |
| Det er herligt at leve | Denmark |
| Do Céu Caiu Uma Estrela | Portugal |
| Frank Capra's It's a Wonderful Life | USA (complete title) |
| Ihmeellinen on elämä | Finland |
| La vita è meravigliosa | Italy |
| Livet är underbart | Sweden |
| Mia yperohi zoi | Greece |
| Qué bello es vivir | Argentina |
| Que bonic és viure! | Spain (Catalan title) |
| Que la vie est belle | Belgium (French title) |
| Subarashiki kana, jinsei! | Japan |
| The Greatest Gift | USA (working title) |
| To wspaniale zycie | Poland |
| Wat een mooi leven | Belgium (Flemish title) |
| Zycie jest cudowne | Poland |
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