| Birth Date: | 25 June 1950 |
| Nationality: | Italian |
| Write: | y |
| Notable Works: | Zagor |
Marcello Toninelli (born 25 June 1950) is an Italian comics writer, best known as main writer of series of Zagor between 1982 and 1993.
Toninelli began a collaboration with Sergio Bonelli Editore in 1982, and worked on the Zagor series. Toninelli was the main writer of series from number #203 until #334 in 1993. He also wrote first 3 editions of Speciale Zagor. For Bonelli he also wrote and episodes of Piccolo Ranger, Dylan Dog, Nick Raider and Kerry il Trapper.
Comics work includes: