A saddled electric vehicle (1, 1A, or 1B) comprising: an electric motor for vehicle traveling; a battery which supplies electric power to the electric motor; a power control unit which controls the electric motor; a vehicle body frame which supports the battery and the power control unit; step floors on which a rider places his/her feet; and a center tunnel which extends in a vehicle front-rear direction at a left-right center portion of the step floors, wherein the power control unit is disposed inside the center tunnel, and the vehicle body frame includes a pair of left and right frame members (13, 14a, and 17), characterized in that the vehicle body frame is formed by integrally joining steel pieces of a plurality of types by welding; the pair of left and right frame members (13, 14a, and 17) includes: a pair of left and right down frames extending downward from a head pipe; a pair of left and right lower frames extending rearward from the lower end portions of the left and right down frames; a pair of left and right rear frames extending upward and rearward from rear end portions of the left and right lower frames; a pair of left and right upper frames extending downward and rearward from the head pipe above the pair of left and right down frames; and a pair of left and right middle frames extending downward and rearward from a vertically intermediate portions of the pair of left and right down frames, and a pair of left and right rear upper frames extending upward and rearward from front-rear intermediate portions of the left and right upper frames; and a pair of left and right rear lower frames extending upward and rearward from vertically intermediate portions of the left and right rear frames, and the power control unit is disposed on an inward side in a left-right direction of the pair of left and right down frames, the pair of left and right upper frames, and the pair of left and right middle frames. an electric motor for vehicle traveling; a battery which supplies electric power to the electric motor; a power control unit which controls the electric motor; a vehicle body frame which supports the battery and the power control unit; step floors on which a rider places his/her feet; and a center tunnel which extends in a vehicle front-rear direction at a left-right center portion of the step floors, wherein the power control unit is disposed inside the center tunnel, and the vehicle body frame includes a pair of left and right frame members (13, 14a, and 17), the vehicle body frame is formed by integrally joining steel pieces of a plurality of types by welding; the pair of left and right frame members (13, 14a, and 17) includes: a pair of left and right down frames extending downward from a head pipe; a pair of left and right lower frames extending rearward from the lower end portions of the left and right down frames; a pair of left and right rear frames extending upward and rearward from rear end portions of the left and right lower frames; a pair of left and right upper frames extending downward and rearward from the head pipe above the pair of left and right down frames; and a pair of left and right middle frames extending downward and rearward from a vertically intermediate portions of the pair of left and right down frames, and a pair of left and right rear upper frames extending upward and rearward from front-rear intermediate portions of the left and right upper frames; and a pair of left and right down frames extending downward from a head pipe; a pair of left and right lower frames extending rearward from the lower end portions of the left and right down frames; a pair of left and right rear frames extending upward and rearward from rear end portions of the left and right lower frames; a pair of left and right upper frames extending downward and rearward from the head pipe above the pair of left and right down frames; and a pair of left and right middle frames extending downward and rearward from a vertically intermediate portions of the pair of left and right down frames, and a pair of left and right rear upper frames extending upward and rearward from front-rear intermediate portions of the left and right upper frames; and a pair of left and right rear lower frames extending upward and rearward from vertically intermediate portions of the left and right rear frames, and the power control unit is disposed on an inward side in a left-right direction of the pair of left and right down frames, the pair of left and right upper frames, and the pair of left and right middle frames.