Cognomen Руфф (Ruff 
, Rouff 
, Руфф 
) , in all the world, is a common family name. The cognomen Руфф is characteristic of Hungary, where it is quite a rare surname, Germany, and Switzerland. Not in comparison with a country's population, it most frequently occurs in the United States, Germany, and France. Very seldom, Руфф is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ruff | United Kingdom, Germany, United States, Democratic Republic of the Congo, France |
| Rouff | United Kingdom, Germany, Canada, United States, France |
| Руфф | Kazakhstan, Ukraine, Belarus, Kyrgyzstan, Russia |
| Rouffe | United Kingdom, Brazil, United States, New Zealand, France |
|
гарри вильгельмович руфф Soviet painter, UA (b. 1931) |
|
Яна, Раиса, Раїса, Роман, Фрида, Катрин, Кирилл, Марина, Альона, Андрей, Андрій, Галина, Виктор, Любовь, Оксана, Сергей, Тамара, Тетяна, Руслан, Эдгард, Алексей, Аделіна, Софія, Елена, Ирина, Ольга, Алла, Анна, Петр, Неля, Лера, Олег, Иван, Роза, Яков, Эмма, Георгий, Інна, Юрий, Мария, Арина, Артем, Ганна, Гаррі, Павел, Петро, Диана, Любов, Ігор, and Надежда