| Dayereh | Iran (original title) |
| El círculo | Argentina / Peru / Spain |
| A kör | Hungary |
| Cirkeln | Sweden |
| Cirklen | Denmark |
| Daire | Turkey (Turkish title) |
| Der Kreis | Germany |
| Il cerchio | Italy |
| Krag | Poland (imdb display title) |
| Krug | Croatia (imdb display title) |
| Le cercle | France (dubbed version) |
| Loputon kierre | Finland (TV title) |
| O Círculo | Portugal (imdb display title) |
| O kyklos | Greece (transliterated ISO-LATIN-1 title) |
| Sirkelen | Norway |
| The Circle | International (English title) |
| Plot summary | Box office and business | User reviews |
| Ratings | Awards | News articles |
| External reviews | Main details |