A lubrication device for a belt-driven continuously variable transmission is provided. The lubrication device comprises a stabilizer 24 brought into contact to a straight portion of a belt 6 between the pulleys to suppress vibrations of the belt. The stabilizer 24 comprises openings 31, 32, 33 and 34 oriented to each contact point between a sheave 7, 8, 13 or 14 and the belt 6 to apply oil thereto, while being allowed to pivot and twist in response to a change in posture of the belt 6 resulting from a speed change operation to keep the opening oriented to the contact point.