A vibration device comprising: a first vibration unit that vibrates to vibrate a first contact portion of an object, the object including a first contact portion and a second contact portion, the first contact portion being in contact with a first part of a body of an object person, the second contact portion being in contact with a second part different from the first part of the body of the object person; and a second vibration unit that vibrates to vibrate the second contact portion, wherein the first vibration unit and the second vibration unit vibrate such that each of the first contact portion and the second contact portion vibrates in response to an acoustic signal, and the second contact portion vibrates with a delay from the first contact portion.