Régis Lang is a French voice actor known for his work in the dubbing of anime series and films for the French market. His career encompasses a range of roles in animated productions, particularly during the era when many Japanese anime series were being localized for French television.

He is notably recognized for providing the French voice for the character Marc, also known as Comte 1er Juin, in the anime series Marc et Marie, which is the French title for the series Haikara-san ga Tōru. This role is a central part of his credited work in animation.

His other prominent voice roles in anime include Seizaemon in the Studio Ghibli film Pompoko and Keith in the series Voltron: Defender of the Universe. A more extensive list of his credits demonstrates his activity across multiple popular franchises. He voiced Andromon in an episode of the first Digimon series, provided replacement voices for the character Chen in Dragon Ball, and played Professor Hoshikawa in Chikyuu Sentai Fiveman. His repertoire also includes roles in Le Roi Léo, Nicky Larson (City Hunter), where he voiced the characters Hanseto and Masaichi, and the character of Professor Lund in the seventh Pokémon film, Pokémon: Destiny Deoxys. He also lent his voice to the character Albarus in the French animated series Wakfu. Beyond animation, his acting work includes a role in the 2016 live-action film Baden Baden.