Christine Petit (born 4 February 1948) is a French geneticist.

She holds professorships at the Collège de France and the Pasteur Institute.

Petit holds professorships at Collège de France and the Pasteur Institute.

[4] Petit's research has explored the link between genes and deafness, with her research group at INSERM "Génétique et physiologie de l’audition".

Together with Karen Steel, Petit won the Royal Society Brain Prize 2012, for their pioneering work on the genetics of hearing and deafness.