A lever switch for controlling lights provided in a vehicle, comprising: a lever main body; and a rotary operation element rotatably provided at a tip end portion of the lever main body, wherein: the rotary operation element is provided with a light ON switch position at which an instruction to cause head lights and small lights installed in the vehicle to be on at all times is issued, an automatic light switch position at which an instruction to set an automatic light mode, in which a turned-on state of the head lights and the small lights is controlled based on an intensity of illumination in a vicinity of the vehicle, is issued, and a light OFF switch position at which an instruction to turn the head lights off is issued, the light ON switch position, the automatic light switch position, and the light OFF switch position being arranged in an order along a rotation direction, and even when there is no rotation operation force, the rotary operation element can be held at the automatic light switch position; wherein the rotary operation element is provided with a momentary mechanism with which the rotary operation element automatically returns to the automatic light switch position when there is no rotation operation force in a state where the rotary operation element is at a position between the automatic light switch position and the light OFF switch position, and even when the rotary operation element is operated to the light OFF switch position, the rotary operation element automatically returns to the automatic light switch position; characterized in that even when there is no rotation operation force, the rotary operation element can be held at the light ON switch position. a lever main body; and a rotary operation element rotatably provided at a tip end portion of the lever main body, wherein: the rotary operation element is provided with a light ON switch position at which an instruction to cause head lights and small lights installed in the vehicle to be on at all times is issued, an automatic light switch position at which an instruction to set an automatic light mode, in which a turned-on state of the head lights and the small lights is controlled based on an intensity of illumination in a vicinity of the vehicle, is issued, and a light OFF switch position at which an instruction to turn the head lights off is issued, the light ON switch position, the automatic light switch position, and the light OFF switch position being arranged in an order along a rotation direction, and even when there is no rotation operation force, the rotary operation element can be held at the automatic light switch position; wherein the rotary operation element is provided with a momentary mechanism with which the rotary operation element automatically returns to the automatic light switch position when there is no rotation operation force in a state where the rotary operation element is at a position between the automatic light switch position and the light OFF switch position, and even when the rotary operation element is operated to the light OFF switch position, the rotary operation element automatically returns to the automatic light switch position; characterized in that even when there is no rotation operation force, the rotary operation element can be held at the light ON switch position. the rotary operation element is provided with a light ON switch position at which an instruction to cause head lights and small lights installed in the vehicle to be on at all times is issued, an automatic light switch position at which an instruction to set an automatic light mode, in which a turned-on state of the head lights and the small lights is controlled based on an intensity of illumination in a vicinity of the vehicle, is issued, and a light OFF switch position at which an instruction to turn the head lights off is issued, the light ON switch position, the automatic light switch position, and the light OFF switch position being arranged in an order along a rotation direction, and even when there is no rotation operation force, the rotary operation element can be held at the automatic light switch position; wherein the rotary operation element is provided with a momentary mechanism with which the rotary operation element automatically returns to the automatic light switch position when there is no rotation operation force in a state where the rotary operation element is at a position between the automatic light switch position and the light OFF switch position, and even when the rotary operation element is operated to the light OFF switch position, the rotary operation element automatically returns to the automatic light switch position; characterized in that even when there is no rotation operation force, the rotary operation element can be held at the light ON switch position.