Olivier Francart is a French voice actor who has worked extensively in the dubbing of anime and animated series for the French-speaking market. His career spans a variety of roles in both feature films and television series, contributing to the French-localized versions of numerous Japanese productions.

In the realm of feature films, Francart provided the voice for the character Maman in the animated movie Tokyo Godfathers. He also voiced Levi in the nineteenth Pokémon film, Volcanion and the Mechanical Marvel. His television work includes a range of supporting and guest roles across different series. He voiced Tom Borden in the series Kuromukuro. His voice credits also include characters in Digimon Appmon, where he voiced Gomimon and Dogamon, and the character Junk in Dragon Quest: The Adventure of Dai.

Francart is notably recognized for his role as William Conrad in the anime series Trigun Stampede, which premiered in 2023. He later reprised this role for the sequel series Trigun Stargaze, which began in 2026. His other television credits include various roles in Transformers Robots in Disguise, performing characters such as Hammerstrike, Springload, Crazybolt, Motormaster, Menasor, and Ratchet. He also contributed to the Yu-Gi-Oh! franchise, voicing Priest Shada in a replacement capacity as well as characters in Yu-Gi-Oh! Capsule Monsters.