Olivier Kemen (born 20 July 1996) is a French footballer who currently plays for Gazélec Ajaccio, on loan from Lyon, as a midfielder.
Kemen is a youth exponent from Metz. He made his Ligue 1 debut for Lyon on 28 February 2016 against Paris Saint-Germain. He replaced Rafael after 75 minutes in a 2-1 home win.