To provide a rotary switch for vehicle capable of securing smooth operability while reducing influence of infiltrating water and dirt.

This rotary switch 6 is disposed in the vicinity of the steering handle of a vehicle to electrically control the vehicle, and is equipped with a rotary switch body 7 mounted to the vicinity of the steering handle and a knob 8 rotatably mounted to the rotary switch body in a partially superimposed condition. A gap g in a part of the superimposed part of the rotary switch body and the knob, which is located at the upper part of the vehicle, is set small, a gap G in a part located at the lower part of the vehicle is set big.