Filmer där Umberto Lenzi varit regissör:
| Titel År | Antal | Betyg |
  | |  |
| Brutal Justice (1976) | 1 | 3,00 |
| Seven Blood-Stained Orchids (1972) | 2 | 3,00 |
| Sudden Justice (1976) | 1 | 3,00 |
| Gang War in Milan (1973) | 1 | 3,00 |
| Knife of Ice (1972) | 2 | 3,00 |
| Manhunt in the City (1975) | 2 | 3,00 |
| Cannibal Ferox (1981) | 11 | 2,36 |
| Black Demons (1991) | 1 | 2,00 |
| Ghosthouse (1988) | 1 | 2,00 |
| Nightmare Beach (1988) | 1 | 2,00 |
| Omänsklig fasa (1980) | 9 | 1,89 |
| Nightmare City (1980) | 3 | 1,00 |
| Hell's Gate (1989) | 1 | 1,00 |
| Orgasmo (1969) | 0 | - |
| Mannen som kom med floden (1973) | 0 | - |
| Eyeball (1975) | 0 | - |
| Ökenråttornas revansch (1978) | 0 | - |
| Tempelrånet (1965) | 0 | - |
| Mia italida stin Ellada (1958) | 0 | - |
| Hell Below Deck (1961) | 0 | - |
| Duel of Fire (1962) | 0 | - |
| Triumph of Robin Hood, The (1962) | 0 | - |
| Catherine of Russia (1963) | 0 | - |
