A coil assembly and a magnetic resonance imaging (MRI) apparatus including the same are disclosed. After completion of inspection or repair of the coil assembly, the coil assembly is easily coupled to the Mill apparatus. The coil assembly is configured to interact with a magnetic field generated from a MM apparatus and includes a first case configured to be bendable, a second case configured to be bendable and detachably coupled to the first case, and a printed circuit board substrate disposed between the first case and the second case.