A protection device is described for the ends of a handlebar (M) of a motorcycle, of the type comprising a protection member which can be attached to the ends of said handlebar (M), which comprises a structural protection member (1) which can be attached with an attachment portion (2°) to the ends of said handlebar (M), and having an aerodynamic guard (3) intended to be positioned in front of an actuation lever (L) of said handlebar (M) of the motorcycle, the aerodynamic guard being configured to reduce the dynamic pressure downstream thereof.