A coil component includes a body, a support substrate buried in the body, a coil portion disposed on at least one surface of the support substrate and having both ends exposed to a surface of the body, a noise removing portion disposed on the at least one surface of the support substrate, spaced apart from the coil portion, and forming an open loop such that one end of the noise removing portion is exposed to a surface of the body, an insulating layer disposed between the coil portion and the noise removing portion, first and second external electrodes disposed on a surface of the body and connected to both ends of the coil portion, respectively, and a third external electrode disposed on a surface of the body and connected to the one end of the noise removing portion.