The defensive midfielder, who is a regular for the French national team this season, has impressed scouts from around Europe with his performances in Ligue 1.
According to Sport, Barca are set to battle for Tchouameni, as they look to refresh their squad for manager Xavi in the summer.
The source claims Real Madrid, Chelsea and Manchester United have also been linked to the midfielder.
Tchouameni is likely to cost around €60 million, but Barca are hoping to lower that asking price.
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