A guide wire 200 includes a core shaft 20 and a coil body 230 wound around a distal portion of the core shaft 20. The coil body 230 includes a straight section 232 in a straight state from a proximal end toward a distal direction and a curved section 234 arranged at a distal side of the straight section 232. Turns 242 of the coil body are in contact with each other on an outer side of the curved section 234 (at a border portion K between the curved section 234 and the straight section 232).