HEADLAMP UNIT AND LEANING VEHICLE

Provided is a headlamp unit that allows for an increased degree of freedom in the attachment to a vehicle body and an increased degree of freedom in the design of the lamp while suppressing its upsizing. A headlamp unit 1 includes a headlamp module 11, a sub-lamp module 12, an electric power supply module 13, a connector module 14, and a non-waterproof cover module 15. The headlamp unit 1 has an integrated structure composed of at least the headlamp module 11, the sub-lamp module 12, the electric power supply module 13, and the non-waterproof cover module 15. In the integrated structure, the headlamp module 11, the sub-lamp module 12, the electric power supply module 13, and the connector module 14 each have a waterproof structure, and the non-waterproof cover module 15 is configured to cover at least a portion of the headlamp module 11 and at least a portion of the sub-lamp module 12.