The striker scored 66 goals for the Ligue 1 club across four seasons before his big-money move to the Spanish capital.
Benzema moved to Madrid in the summer of 2009 in a worth a reported €41m and he has made 513 appearances for the club since, netting 249 goals.
“It is a dream of everyone at this club to make him come back for two seasons and play in the Champions League with us,” sporting director Juninho told Radio Montecarlo, via Marca.
“He would be our leader and in addition to scoring goals he would give us the experience we need to win games.”