The French midfielder spent the 2018/19 season with Milan and would love a return to San Siro, according to his agent Andy Bara.
"It's possible. Milan are looking for a player with his characteristics and it's likely that they could make a proposal," the agent told Calciomercato.
"At the moment Timoue is a Chelsea player, but there is a possibility of changing shirt and going to an Italian team.
"Milan are a great team and if the opportunity arises we will do everything possible to bring him to the Rossoneri.
"[Paolo] Maldini and [Frederic] Massara know him, they know what he can give."