An embodiment of a camera module includes a holder configured such that the upper and lower portions of the holder are open and such that a first hole and a second hole, opposite to the first hole, are formed in the side surface of the holder, a first lens unit coupled to the upper portion of the holder, a second lens unit coupled to the lower portion of the holder, and a liquid lens disposed in the first hole and the second hole of the holder between the first lens unit and the second lens unit, the liquid lens protruding outward from the side surface of the holder, wherein at least a portion of the liquid lens may be spaced apart from the inner surface of the holder.