| Country | Date | |
|---|---|---|
| France | 21 December 1966 | |
| West Germany | 16 February 1967 | |
| Italy | 1 April 1967 | |
| Finland | 14 April 1967 | |
| USA | 19 June 1967 | |
| Sweden | 28 June 1967 | |
| Denmark | 7 August 1967 | |
| France | 30 August 2006 | (re-release) |
| Le roi de coeur | France (original title) |
| Hjerterkonge | Denmark (imdb display title) / Norway (imdb display title) |
| Esse Mundo É dos Loucos | Brazil |
| Herttakuningas | Finland |
| Herzkönig | West Germany |
| King of Hearts | USA |
| Król kier | Poland (imdb display title) |
| Kungen kommer tillbaka | Sweden |
| O Rei dos Doidos | Portugal |
| Oloi tous trelloi ektos apo mena | Greece (transliterated ISO-LATIN-1 title) |
| Rey de corazones | Spain |
| Szívkirály | Hungary (imdb display title) |
| Tutti pazzi meno io | Italy |
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