A guide wire has an elongated core portion, a resin coating layer including a resin material and covering a distal portion of the core portion, and a metallic tubular member that has a lumen into which the core portion is inserted, and that is disposed so as to be in contact with at least a portion of a proximal end of the resin coating layer. The tubular member is formed in a state where the lumen is reduced in diameter by cold forging, and at least a portion of an inner surface forming the lumen has a compressive bonding surface which is compressively bonded to an outer surface of the core portion.
