To provide a superconducting coil capable of generating a magnetic field having a higher magnetic field strength, and a magnetic resonance imaging apparatus including the superconducting coil.SOLUTION: In a superconducting coil 9 having a superconducting wire 10 wound in a substantially solenoid shape, a superconducting magnet 20 using the same, or a magnetic resonance imaging apparatus using the same, a bulk, tape, or thin-film superconducting substance is formed axially in a substantially cylindrical shape substantially coaxially with the solenoid on the inner and outer peripheral portions or the side surface portion near the superconducting coil 9 constituting the superconducting magnet 20.SELECTED DRAWING: Figure 1【課題】より高い磁場強度の磁場を生成しうる超電導コイルと、その超電導コイルを備えた磁気共鳴イメージング装置を提供する。【解決手段】超電導線材10を概略ソレノイド状に巻回した超電導コイル9またはそれを用いた超電導磁石20またはそれを用いた磁気共鳴イメージング装置において、超電導磁石20を構成する超電導コイル9に近接した内周部と外周部または側面部にバルク、テープ、または、薄膜の超電導物質を概略ソレノイドの軸方向とほぼ同軸で概略円筒形に形成して配置する。【選択図】図1