Last name ティファニー (Tiffany 
, Tiffani 
, ティファニー 
) , in all the world, is a common cognomen. The cognomen ティファニー is characteristic of Hong Kong, where it is quite a rare surname, Macao, and Honduras. Not in comparison with a country's population, it is the most numerous in Indonesia, the United States, and China. Predominantly, ティファニー is the forename as well as the last name.