An on-vehicle lever switch includes a main body portion, a lever body, and a switch contact. The lever body includes a knob rockably held by the main body portion and protruding outward, a drive shaft extending in the direction along which the knob protrudes and being rotatably held in the knob, and a rotational operation portion fixed to the drive shaft. The switch contact is disposed at the main body portion, and carries out electrical connection by rocking or rotating of the lever body. The knob can be divided into two portions, a first knob portion and a second knob portion, along the extending direction. The first knob portion and the second knob portion are coupled to each other by a first member provided in the inner part of the first knob portion and a second member provided in the inner part of the second knob portion.