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, Indonesia, Hong Kong, United States, Canada |
| Tiffani | China, Indonesia, Australia, United States, Canada |
| Tyffany | United Kingdom, United States, Canada, France, Brazil |
| Тиффани | Russia |