The 27-year-old Frenchman has been in good form for the Swiss outfit this season and his performances have attracted the attention of numerous clubs across Europe.
According to L'Equipe, Swansea and Southampton are among those keeping a close watch on the player.
Ligue 1 sides Toulouse and Nice are also interested in snapping up the French midfielder and Bundesliga side Hoffenheim are also monitoring his performances with Young Boys.
Ravet has been in fine form for his current club, scoring six goals and providing 14 assists this season.
He has a contract until 2019 with Young Boys, who signed the player from Grasshoppers in January last year.