Alternative titles
Underworld (2003)
| AR | Inframundo 1 |
| AT | Underworld |
| AU | Underworld - UR |
| BG | Подземен свят, Podzemen svyat |
| BR | Anjos da Noite, Anjos da Noite - Underworld, Anjos da Noite 1: Underworld, Anjos da Noite: O Submundo, Anjos da Noite O Submundo, Anjos da Noite: Underworld |
| CA | Monde infernal |
| CN | 黑夜传说, 妖夜尋狼 ２００３, 妖夜尋狼 1, 黑夜传说1 |
| CZ | 1 Underworld - Boj v podsvětí |
| DE | Underworld 1 |
| EE | Teispoolsus |
| EG | العالم السفلي |
| ES | Underworld |
| FI | Varjojen valtakunta, Underworld |
| GE | მიწისქვეშეთი |
| HK | 妖夜尋狼 ２００３, 妖夜尋狼 1, 妖夜尋狼 |
| IL | מלחמת האופל |
| IN | एक नया डर अंडरवर्ल्ड |
| IR | دنیای مردگان |
| IT | Underworld |
| JP | アンダーワールド |
| KR | 언더월드 |
| LT | Kitas pasaulis |
| MX | Inframundo |
| PT | Underworld: Submundo, Underworld - O Submundo |
| RO | Lumea de dincolo |
| RS | Podzemni svet, Подземни свет |
| RU | Другой мир, Drugoy mir |
| SI | Podzemlje |
| SK | Underworld: Boj v podsvetí |
| TH | สงครามโค่นพันธุ์อสูร, สงครามโค่นพันธุ์อสูร 1 |
| TR | Karanliklar ülkesi, Karanlıklar Ülkesi |
| TW | 決戰異世界, 妖夜尋狼 ２００３, 妖夜尋狼 1 |
| UA | Inshyy svit, Інший світ |
| US | Underworld 2003, uw2003, Underworld 01 Underworld, Underworld 1, Underworld |
| VN | Thế Giới Ngầm |