Surname トーン (Tone 
, Torn 
, Toon ) , throughout the world, is a common cognomen. The last name トーン is habitual in Myanmar, where it is quite a common surname, Estonia, and Romania, where it is quite a rare surname. In absolute terms, it most frequently occurs in Myanmar, India, and the United States. Likewise, トーン is the forename as well as the last name.