A camera module includes a rear lens barrel, a front lens barrel assembled to the rear lens barrel, the front lens barrel and the rear lens barrel together forming a housing space, a lens holder that holds an imaging optical system and is housed in the housing space, a guiding mechanism that movably supports the lens holder along the optical axis of the imaging optical system, and a driving unit that moves the lens holder along the optical axis of the imaging optical system, the driving unit including a magnet provided in the lens holder and a coil that faces the magnet. The rear lens barrel has a bottom wall that faces the housing space. The coil includes first and second coils disposed in the rear lens barrel on opposite sides of the optical axis in the housing space.