Isabelle Dethan (born 28 December 1967) is a French comic book artist.

She was born in Bègles, France and received a master's degree in literature and a Certificat d'aptitude au professorat de l'enseignement du second degré [fr] in library technology.

[1] Her first comic was published in the German magazine Schwermetall [fr].

In 1992, Dethan received the Alph'Art Avenir [fr] prize at the Angoulême International Comics Festival.

Dethan has also created a graphic novel based on Alice's Adventures in Wonderland.