Thierry Mauvignier (; born 1965) is a French director and documentary filmmaker. He began his career as a projectionist for Futuroscope and made a few short films for France 3 before embarking on documentaries and fiction. He is the brother of writer Laurent Mauvignier.
Thierry Mauvignier grew up near Tours, alongside his two brothers, the writer Laurent Mauvignier and the director Frédéric Mauvignier, as well as two sisters. Already very young, he was passionate about cinema.
He started directing and then obtained his BTS Audiovisuel. In 1997, he directed his very first short film L'heure c'est l'heure with his nephews and nieces as actors . He then went on to produce several short films as well as documentaries with sound engineer Michel Duponteil. At the same time, he writes books for young people and works as a videographer. In 2021, he directed a short film on a Poitevin legend which he revisits with the help of his brother Laurent Mauvignier, entitled the legend of the murderous lords and appears in the documentary feature film La légende de Thierry Mauvignier. directed by Dylan Besseau. He draws his inspiration from nature and the animal world, in particular that of wolves, long fascinated by the legends that surround him, he has devoted a major part of his work to this subject.