The optical scanning device is provided with a fixing member having a through hole at its center and fixing the emitting end portion penetrating through the through hole, a holding member for holding the fixing member in a cantilever manner, an outer surface of the fixing member A first driving part provided on an outer surface of the fixing member and configured to swing an output end part protruding from a front end part of the fixing member in a first direction and a second driving part provided on the outer surface of the fixing member, And a second driving part that swings the emitting end part in a second direction different from the first direction, wherein at least one of the fixing member, the holding member, and the actuator part The shape in the first direction from the center axis passing through the center of the through hole and the shape in the second direction from the center axis are asymmetrically formed There is a part that is.光走査装置は、貫通孔を中心部に具備し、出射端部を貫通孔に貫通させた状態で固定する固定部材と、固定部材を片持ち状に保持する保持部材と、固定部材の外表面上に設けられ、固定部材の先端部から突出した出射端部を第1の方向に揺動させる第1の駆動部と、固定部材の外表面上に設けられ、固定部材の先端部から突出した出射端部を第1の方向とは異なる第2の方向に揺動させる第2の駆動部と、を備えたアクチュエータ部と、を有し、固定部材、保持部材及びアクチュエータ部のうちの少なくともいずれか1つにおいて、貫通孔の中心を通過する中心軸上から第1の方向に見た場合の形状と、中心軸上から前記第2の方向に見た場合の形状と、が非対称に形成されている部分が存在する。
