The Blues have been rumoured to compete with Arsenal and Liverpool for the 21-year-old winger.
The Frenchman has taken part in 12 games this season and scored 5 goals along with 1 assist.
Adam Newson of Football Whispers rates the possibility of Ousmane Dembele joining Maurizio Sarri in January.
According to ESPN FC, the Frenchman will most probably stay at the Blaugrana.
“Barcelona have reportedly told the France international that he will be allowed to depart in January and Chelsea are one of several Premier League clubs interested in signing the versatile forward, according to The Sun.
Dembele has struggled for form since joining the club from Borussia Dortmund in the summer of 2017 and if he is allowed to depart, the report claims Arsenal and Liverpool would also be interested.”