The given name Fabien finds its origins in the Latin language, specifically derived from the ancient Roman name "Fabianus." This name is believed to have emerged during the early centuries of the Roman Empire, around the 1st or 2nd century AD. Fabianus was a Roman family name (nomen) that originated from the Latin word "faba," meaning "bean."

Fabianus was a relatively common name among the Romans, and it is mentioned in various historical records and inscriptions from that era. One of the earliest recorded individuals with this name was Saint Fabian, who served as the Pope of the Catholic Church from 236 to 250 AD. He is revered as a martyr and saint in Christianity.

In the Middle Ages, the name Fabien gained popularity across Europe, particularly in France, where it evolved into its French form, "Fabien." During this period, it was borne by several notable figures, including Fabien Quartier (1537-1614), a French Jesuit scholar and theologian.

As the name spread throughout Europe, it was also adopted in other languages and cultures. In Italy, it took the form of "Fabio," while in Spain and Portugal, it became "Fabián." One of the most famous individuals named Fabien was Fabien Barthez (born 1971), a French former professional footballer and World Cup winner.

Other notable individuals with the name Fabien include Fabien Roussel (born 1969), a French politician and the current leader of the French Communist Party; Fabien Clain (1978-2019), a French jihadist and member of the Islamic State; and Fabien Galthié (born 1969), a former French rugby union player and the current head coach of the French national rugby team.

Throughout history, the name Fabien has maintained a strong presence in various cultures, particularly in Europe. Its Latin roots and associations with ancient Roman history have contributed to its enduring appeal and usage over the centuries.