A coil electronic component includes a body, a coil unit disposed in the body and having a multilayer structure. The coil unit includes a first coil pattern forming an upward turn with respect to a bottom surface of the body and a second coil pattern forming a downward turn with respect to the bottom surface of the body. The first and second coil patterns are disposed on at least two layers of the multilayer structure. The component additionally includes a first external electrode and a second external electrode disposed on the bottom surface of the body.