LucienBlake, fictional Australian police surgeon/detective
Lucien Dubenko, a surgeon in the TV Series ER.
Lucien, ( known as Ditto) a character in 'The Supernatralists' by Eoin Colfer
Lucien Wilbanks, character in A Time to Kill
Lucien Lachance, an Imperial assassin and Speaker of the Black Hand, the core governing body of the Dark Brotherhood from The Elder Scrolls IV: Oblivion and The Elder Scrolls V: Skyrim (also known as the Spectral Assassin)
Lucien Castle, character on "The Originals"