Ciro Nieli (born February 5, 1974; 41 years old) is an executive producer on the Teenage Mutant Ninja Turtles TV show.. He worked on other animated series including Super Robot Monkey Team Hyper Force Go!, Teen Titans, Tranformers Animated and The Avengers: Earth's Mightiest Heroes.

Aside from directing, he was the background artist for Foster's Home for Imaginary Friends; character designer for The Avengers: Earth's Mightiest Heroes; storyboard artist for ¡Mucha Lucha!, storyboard revisionist for Family Guy and post-production director for the The Replacements.