It is provided a vehicle power transmission device having a hydraulic power transmission device and a power transmission mechanism, the hydraulic power transmission device including an input-side rotating member that houses an output-side rotating member disposed with turbine blades and fluid flowing from pump blades to turbine blades, the vehicle power transmission device having an engine intermittent clutch and a lockup clutch disposed closer to an engine relative to the turbine blades in the input-side rotating member, one of the engine intermittent clutch and the lockup clutch being a single plate clutch, the vehicle power transmission device further comprising an electric motor, and the hydraulic power transmission device including a first damper inserted in a power transmission path between the crankshaft of the engine and the electric motor, and a second damper inserted in a power transmission path between the first damper and the output-side rotating member.