A vehicle pop-up hood device (20, 100) comprising: a hinge base that is configured to be fixed to a vehicle body; a first arm that is pivotably connected to the hinge base; a second arm that is configured to be fixed to a vehicle transverse direction outer side end portion at a rear portion of a hood, and is pivotably connected to the first arm, and that, by being pivoted with respect to the first arm, moves the vehicle transverse direction outer side end portion at the rear portion of the hood toward a vehicle upper side; an actuator that is connected to the first arm and the second arm at both ends thereof and spans between the first arm and the second arm, and that, by being operated, pivots the second arm with respect to the first arm and raises the hood up from a closed position to a raised position; and a connecting portion whose one end portion is connected to the hinge base and whose other end portion is connected to the second arm, and that, at the closed position of the hood, is set in a stored state, at a time of completion of operation of the actuator, the connecting portion being set in an operating state in which the connecting portion restricts movement of the second arm toward the vehicle upper side with respect to the hinge base, wherein the connecting portion is structured to include a first link that structures one end side of the connecting portion and that is pivotably connected to the hinge base, a second link that structures the other end side of the connecting portion and that is pivotably connected to the second arm, and a connecting shaft that is provided at one of the first link and the second link and that is pivotably supported at a connection hole formed in the other of the first link and the second link; wherein the actuator is disposed at a vehicle transverse direction outer side with respect to the first arm, and the second arm, and the connecting portion is disposed at a vehicle transverse direction inner side with respect to the first arm and the second arm. a hinge base that is configured to be fixed to a vehicle body; a first arm that is pivotably connected to the hinge base; a second arm that is configured to be fixed to a vehicle transverse direction outer side end portion at a rear portion of a hood, and is pivotably connected to the first arm, and that, by being pivoted with respect to the first arm, moves the vehicle transverse direction outer side end portion at the rear portion of the hood toward a vehicle upper side; an actuator that is connected to the first arm and the second arm at both ends thereof and spans between the first arm and the second arm, and that, by being operated, pivots the second arm with respect to the first arm and raises the hood up from a closed position to a raised position; and a connecting portion whose one end portion is connected to the hinge base and whose other end portion is connected to the second arm, and that, at the closed position of the hood, is set in a stored state, at a time of completion of operation of the actuator, the connecting portion being set in an operating state in which the connecting portion restricts movement of the second arm toward the vehicle upper side with respect to the hinge base, a first link that structures one end side of the connecting portion and that is pivotably connected to the hinge base, a second link that structures the other end side of the connecting portion and that is pivotably connected to the second arm, and a connecting shaft that is provided at one of the first link and the second link and that is pivotably supported at a connection hole formed in the other of the first link and the second link; wherein the actuator is disposed at a vehicle transverse direction outer side with respect to the first arm, and the second arm, and the connecting portion is disposed at a vehicle transverse direction inner side with respect to the first arm and the second arm.