| Country | Date | |
|---|---|---|
| USA | 10 August 1950 | (New York City, New York) (premiere) |
| UK | 17 August 1950 | (London) (premiere) |
| Australia | 25 August 1950 | |
| Sweden | 20 December 1950 | |
| Finland | 12 January 1951 | |
| Denmark | 25 January 1951 | |
| Italy | 29 March 1951 | |
| West Germany | 7 April 1951 | |
| France | 18 April 1951 | |
| Portugal | 11 May 1951 | |
| Hong Kong | 7 June 1951 | |
| Uruguay | 18 June 1951 | |
| Austria | 28 September 1951 | |
| Japan | 5 October 1951 | |
| Philippines | 1 April 1952 | (Davao) |
| UK | 14 March 2003 | (re-release) |
| France | 27 December 2006 | (re-release) |
| Sunset Boulevard | Austria / Denmark / Sweden / UK / USA (alternative spelling) |
| Boulevard du crépuscule | Belgium (French title) / Canada (French title) / France |
| El ocaso de una vida | Argentina / Mexico / Uruguay |
| Crepúsculo dos Deuses | Brazil / Portugal |
| A Can of Beans | USA (fake working title) |
| Alkony sugárút | Hungary |
| Auringonlaskun katu | Finland |
| Boulevard der Dämmerung | West Germany |
| Bulevar sumraka | Serbia |
| Bulwar zachodzacego slonca | Poland |
| De laan der schimmen | Belgium (Flemish title) |
| El crepúsculo de los dioses | Spain |
| El ocaso de una estrella | Argentina (dubbed version) |
| Viale del tramonto | Italy |
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