An adhering substance removing device is configured to remove adhering substances on an exterior member of a vehicle body. The device includes a vibration generator and a vibration transmitting member. The vibration generator is configured to generate vibrations. The vibration transmitting member includes a first surface and a second surface. The first surface faces the exterior member. The second surface is inclined with an acute angle relative to the first surface. The vibration generator is mounted on the second surface. The vibration transmitting member is softer than the exterior member. The vibration transmitting member is configured to generate surface waves that advance in a predetermined direction in the exterior member.