Buy Léon Poster
- AKA: El perfecto asesino, El profesional, El profesional (Léon), Le professionnel, Leon, Leon - Der Profi, Léon a profi, Léon o Profissional, Léon zawodowiec, Léon: Profesionalac, Léon: The Professional, Leonas, O Profissional, Profesionalac, Sevginin Gücü, The Professional, Леон, 杀手莱昂, 杀手里昂, 终极追杀令, 这个杀手不太冷
- Country: France
- IMDB Rating: 8.5
- Genres: Action, Crime, Drama, Thriller
- Release: 1994-11-18
- Director: Luc Besson
- Writers: Luc Besson
- Language: English | Italian | French
- Stars: Jean Reno , Gary Oldman , Natalie Portman , Danny Aiello
- Runtime: 110 min
- Awards: 6 wins & 14 nominations.
- Plot: After her father, mother, older sister and little brother are killed by her father's employers, the 12-year-old daughter of an abject drug dealer is forced to take refuge in the apartment of a professional hitman who at her request teaches her the methods of his job so she can take her revenge on the corrupt DEA agent who ruined her life by killing her beloved brother.