| First Name | Jason |
| Middle Name | Iain |
| Last Name | Flemyng |
| Age | 45 |
| Date of Birth | September 25, 1966 |
| Birthplace | Putney, London, England |
| Height | 6' 1" (185 cm) |
| Build | Slim |
| Eye Color | Blue |
| Hair Color | Brown - Light |
| Star Sign | Libra |
| Ethnicity | White |
| Nationality | British |
| University | London Academy of Music and Dramatic Arts |
| Occupation Category | Actor |
| Claim to Fame | Darren on Lock, Stock and Two Smoking Barrels ; Netley, the Coachman on From Hell; Dr. Henry Jekyll / Edward Hyde on The League of Extraordinary Gentlemen |
| Father | Gordon Flemyng |
Jason Iain Flemyng (born 25 September 1966) is an English actor. He is known for his film work, which has included roles in British films such as Lock, Stock and Two Smoking Barrels (1998) and Snatch (2000), both for Guy Ritchie, as well as Hollywood productions such as Rob Roy (1995) along with the Alan Moore comic book adaptations From Hell (2001) and The League of Extraordinary Gentlemen (2003). He has also appeared in prominent roles in both theatre and television in the UK. Flemyng can speak reasonable French, and has made three films in that language. He won the Best Actor Award at the Geneva Film Festival for his role in 1996's Alive and Kicking.
Selected Jason Flemyng film and TV show credits: