The given name Regino has its roots in the Latin language, originating from the word "reginus," which means "kingly" or "royal." This name can be traced back to ancient Roman times, where it was used to denote someone of noble or regal status.

During the Middle Ages, the name Regino gained popularity in various parts of Europe, particularly in regions influenced by the Roman Empire and the Catholic Church. It was often bestowed upon individuals with connections to the church or those from prominent families.

One of the earliest recorded instances of the name Regino can be found in the writings of Regino of Prüm, a Benedictine monk and chronicler who lived from around 840 to 915 AD. He is known for his work titled "Chronicon," which documented events from the time of Christ until the early 10th century.

Throughout history, several notable individuals have borne the name Regino. One such person was Regino, Count of Burgundy, who lived from around 847 to 925 AD and was a prominent figure in the Carolingian Empire. Another was Regino, Bishop of Trent, who served as the leader of the Diocese of Trent in the late 11th century.

In the 12th century, Regino d'Arles was a renowned Provençal troubadour and poet from the city of Arles in southern France. His work contributed significantly to the development of Occitan literature and the courtly love tradition.

During the Renaissance period, Regino Rainaldi, born in 1511 and died in 1578, was an Italian historian and ecclesiastical writer. He is best known for his work titled "Annales Ecclesiastici," which chronicled the history of the Catholic Church.

Another notable figure was Regino García y García, a Spanish prelate who lived from 1556 to 1627. He served as the Bishop of Badajoz and later became the Archbishop of Seville, playing a significant role in the religious affairs of Spain during the 16th and early 17th centuries.