Biagio is an Italian male given name of Latin origin, meaning 'giver of blessings'. It is derived from the Latin word 'biarius', which means 'twofold' or 'double', and has been interpreted as a reference to God's double blessing or favor. The name Biagio has been used in Italy for centuries, with its popularity peaked during the Middle Ages. Saint Biagio, also known as Blase, was an early Christian martyr from Sebaste in Armenia. His feast day is celebrated on February 3rd and he is the patron saint of throat ailments, animal husbandry, and other miscellaneous causes such as childbirth, broken bones, and protection against fire and lightning. The name Biagio has also been used in Sicily, where it is spelled 'Biaggiu'. In France, a variant form of the name is Blaise. Some notable individuals with the name Biagio include Italian operatic tenor Biagio Ruotolo and French footballer Biaggio Marzullo.
The name Biagio experienced significant fluctuations in popularity over the century with a peak around the early 1920s, followed by a steady decline from the late 1930s until the mid-1960s. After this period, there was another rise in popularity during the late 1970s to early 1980s, but it remained relatively low overall with fewer than 20 births per year since the late 1940s.