A shift device for a vehicle, the shift device comprising: a housing; and a shift lever including a cylindrical shaft portion of which a proximal end is pivotably supported inside the housing, the cylindrical shaft portion having elongated holes that extend through a peripheral wall of the cylindrical shaft portion and that are elongated in a longitudinal direction of the cylindrical shaft portion, a shift knob fixed to a distal end of the cylindrical shaft portion, an operating button provided in the shift knob, a detent pin having one end and an other end, and inserted through the elongated holes with said one end and said other end of the detent pin protruding from the corresponding elongated holes, and a detent rod inserted in the cylindrical shaft portion, the detent rod being configured to transmit operating force of the operating button to the detent pin, and a shift lock member, wherein the detent pin is fitted to the detent rod, and the shift lock member is configured to contact with said one end of the detent pin to block movement of the detent pin when the operating button is operated in a state where brake depression operation is not performed, characterized in that: the detent pin includes a support protrusion at said other end of the detent pin, and the support protrusion protrudes towards the proximal end of the cylindrical shaft portion, contacts with the cylindrical shaft portion and restricts inclination of the detent pin resulting from contact between the shift lock member and the detent pin. a housing; and a shift lever including a cylindrical shaft portion of which a proximal end is pivotably supported inside the housing, the cylindrical shaft portion having elongated holes that extend through a peripheral wall of the cylindrical shaft portion and that are elongated in a longitudinal direction of the cylindrical shaft portion, a shift knob fixed to a distal end of the cylindrical shaft portion, an operating button provided in the shift knob, a detent pin having one end and an other end, and inserted through the elongated holes with said one end and said other end of the detent pin protruding from the corresponding elongated holes, and a detent rod inserted in the cylindrical shaft portion, the detent rod being configured to transmit operating force of the operating button to the detent pin, and a cylindrical shaft portion of which a proximal end is pivotably supported inside the housing, the cylindrical shaft portion having elongated holes that extend through a peripheral wall of the cylindrical shaft portion and that are elongated in a longitudinal direction of the cylindrical shaft portion, a shift knob fixed to a distal end of the cylindrical shaft portion, an operating button provided in the shift knob, a detent pin having one end and an other end, and inserted through the elongated holes with said one end and said other end of the detent pin protruding from the corresponding elongated holes, and a detent rod inserted in the cylindrical shaft portion, the detent rod being configured to transmit operating force of the operating button to the detent pin, and a shift lock member, wherein the detent pin is fitted to the detent rod, and the shift lock member is configured to contact with said one end of the detent pin to block movement of the detent pin when the operating button is operated in a state where brake depression operation is not performed, characterized in that: the detent pin includes a support protrusion at said other end of the detent pin, and the support protrusion protrudes towards the proximal end of the cylindrical shaft portion, contacts with the cylindrical shaft portion and restricts inclination of the detent pin resulting from contact between the shift lock member and the detent pin.