Cognomen Тиффани (Tiffany 
, Tiffani 
, Tyffany 
) , worldwide, is a common family name. The last name Тиффани is characteristic of Hong Kong, where it is quite a rare surname, Macao, and Honduras. Not in comparison with a country's population, this name is the most popular in Indonesia, the United States, and China. Much more prevalently, Тиффани is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Tiffany | China, Canada, United States, Hong Kong, Indonesia |
| Tiffani | China, Australia, Canada, United States, Indonesia |
| Tyffany | Brazil, France, United Kingdom, Canada, United States |
| Тиффани | Russia |