Alternative titles
Léon: The Professional (1994)
| AR | El perfecto Asesino |
| BG | Леон |
| BR | O Profissional |
| CA | Le professionnel, Le Professionnel |
| CL | Léon: El Profesional |
| CN | 这个杀手不太冷, Leon The Professional, Leon.1994.International.Cut, Leon |
| CO | El Perfecto Asesino |
| CZ | Leon |
| DE | Leon - Der Profi, Léon: Der Profi, Léon - Der Profi |
| DK | Leon, Léon |
| ES | El profesional (Léon), El professional, El Professional, El Profesional |
| FI | Leon |
| FR | Léon |
| GB | Leon, Leon - The Professional (Theatrical Version) |
| GE | ლეონი: პროფესიონალი |
| GR | Λεόν: Ο Επαγγελματίας |
| HK | 這個殺手不太冷, Léon：The Professional |
| HR | Léon: Profesionalac, Leon Profesionalac |
| HU | Léon, a Profi, Léon, a profi, Leon, a profi |
| IL | לאון |
| IR | لئون: حرفه ای |
| JP | レオン, レオン オリジナル版, レオン完全版, レオン：1994 |
| KR | 레옹 |
| LT | Leonas |
| LV | Leons |
| MX | El Profesional, El perfecto asesino, El Perfecto Asesino |
| NL | Léon |
| PE | El profesional |
| PL | Léon Zawodowiec, Leon Zawodowiec, Leon zawodowiec |
| PT | Léon, o Profissional |
| RO | Léon: Profesionistul |
| RS | Професионалац |
| RU | Леон |
| SA | ليون: المحترف |
| SI | Léon |
| SK | Leon |
| SV | León El Profesional |
| TH | เพชฌฆาต..มหากาฬ |
| TR | Sevginin Gücü, Leon: Sevginin Gücü |
| TW | 終極追殺令, 這個殺手不太冷 |
| UA | Леон: Професіонал, Леон-кілер, Леон |
| US | Leon: The Professional, Leon, Léon: The Professional, Leon - The Professional, Leon - The Professional (Extended Version), Léon - The Professional: Extended Version, The Professional, Léon The Professional, Leon the professional, The Professional 1994, Léon：The Professional, Léon |
| VN | Sát Thủ Chuyên Nghiệp |