A vehicle front portion structure includes a hood, a radiator support upper member, a bracket mounted on an upper portion of the radiator support upper member, and a stopper attached to an upper portion of the bracket and configured to be contacted, when the hood is closed, by a protruding portion on a lower surface of the hood, in which the bracket is a member having a channel shape in cross section and protruding upward in a vehicle vertical direction, and is composed of leg plates and a top plate. The bracket is mounted on the upper portion of the radiator support upper member in a state where the leg plates and the top plate extend along a vehicle width direction, and the leg plates also extend in the vehicle vertical direction along a direction in which the protruding portion makes contact with the stopper.