Release Dates
| Russia | 25 October 2017 | (Moscow) |
| Armenia | 26 October 2017 | |
| Germany | 26 October 2017 | |
| UK | 26 October 2017 | |
| Georgia | 26 October 2017 | |
| Hong Kong | 26 October 2017 | |
| Hungary | 26 October 2017 | |
| Ireland | 26 October 2017 | |
| Kuwait | 26 October 2017 | |
| Netherlands | 26 October 2017 | |
| Portugal | 26 October 2017 | |
| Ukraine | 26 October 2017 | |
| Bulgaria | 27 October 2017 | |
| Canada | 27 October 2017 | |
| Estonia | 27 October 2017 | |
| India | 27 October 2017 | |
| Lithuania | 27 October 2017 | |
| Poland | 27 October 2017 | |
| Romania | 27 October 2017 | |
| Sweden | 27 October 2017 | |
| USA | 27 October 2017 | |
| South Africa | 27 October 2017 | |
| Uruguay | 28 October 2017 | (Festival de Cine de Montevideo) |
| Italy | 31 October 2017 | |
| Mexico | 31 October 2017 | (Morbido Film Fest) |
| Belgium | 1 November 2017 | |
| Colombia | 1 November 2017 | |
| France | 1 November 2017 | |
| Philippines | 1 November 2017 | |
| Argentina | 2 November 2017 | |
| Australia | 2 November 2017 | |
| Denmark | 2 November 2017 | |
| Croatia | 2 November 2017 | |
| Israel | 2 November 2017 | |
| South Korea | 2 November 2017 | |
| New Zealand | 2 November 2017 | |
| Singapore | 2 November 2017 | |
| Turkey | 3 November 2017 | |
| Spain | 5 November 2017 | (Barcelona) (subtitled version) (premiere) |
| Indonesia | 8 November 2017 | |
| Chile | 9 November 2017 | |
| Cyprus | 9 November 2017 | |
| Greece | 9 November 2017 | |
| Peru | 9 November 2017 | |
| Uruguay | 9 November 2017 | |
| Japan | 10 November 2017 | |
| Mexico | 10 November 2017 | |
| Norway | 10 November 2017 | |
| Taiwan | 10 November 2017 | |
| Spain | 23 November 2017 | |
| Brazil | 30 November 2017 | |
| Finland | 1 December 2017 |
Also Known As (AKA)
| (working title) | Saw VIII |
| (working title) | Saw: Legacy |
| Argentina | Jigsaw: El juego continúa |
| Bosnia and Herzegovina (Croatian title) | Testera: Zaostavština |
| Bulgaria (Bulgarian title) | Пъзелът |
| Brazil | Jogos Mortais: Jigsaw |
| Canada (French title) | Décadence: l'héritage |
| Chile | Jigsaw: El juego continúa |
| Spain | Saw VIII |
| Greece | Saw: Legacy |
| Greece | Σε βλέπω 8 |
| Croatia | Slagalica strave 8 |
| Croatia | Testera: Zaostavština |
| Hungary | Fűrész: Újra játékban |
| Israel (Hebrew title) | Ha'massor 8 |
| Italy | Saw legacy |
| Japan (English title) | Jigsaw: Saw Legacy |
| Lithuania | Pjuklas 8 |
| Mexico | Jigsaw: El juego continúa |
| Peru | Jigsaw: El juego continúa |
| Poland | Piła: Dziedzictwo |
| Portugal | Jigsaw: O Legado de Saw |
| Romania | Jigsaw: Mostenirea |
| Serbia | Slagalica strave: Zaostavština |
| Russia | Пила 8 |
| Turkey (Turkish title) | Testere: Jigsaw Efsanesi |
| Ukraine | Пила 8 |
| Uruguay (original subtitled version) | Jigsaw: El juego continúa |
| World-wide (English title) (informal title) | Saw 8 |
