Nicolas Aithadi (born April 23, 1972 in Saint-Denis, France) is a French visual effects supervisor working in London, Vancouver and Los Angeles.
Aithadi began his career from low-budget films to blockbusters such as Troy, Charlie and the Chocolate Factory and four Harry Potter films. For Harry Potter and the Deathly Hallows - Part 1, he was nominated for a BAFTA Award and an Oscar.
He was nominated at the 87th Academy Awards for his work on the film Guardians of the Galaxy as the Marvel Visual Effects Supervisor. This was in the category of Best Visual Effects. His nomination was shared with Stephane Ceretti, Jonathan Fawkner and Paul Corbould. With them he was also nominated at the 68th British Academy Film Awards