Fen is a given name, sometimes of Chinese origin, especially as a transliteration of the Chinese character 芬 (pinyin: Fēn).
Fen may also be a surname in countries other than China, such as Uzbekistan where it is represented in Cyrillic as Фен.
Fen or Fenna is also an unrelated Frisian name.
[1] Fen is also a gender neutral given name in English, meaning wetland fed by ground or surface water.
[2] Fen is also a part of the names of several other notable people, including: