Alessia is an Italian given name, the feminine form of the male given name Alessio, the Italian form of Alexius.
It is a popular name for females in Italy and was the second most popular name for Italian girls born in 2006.
The name may mean "defending warrior".
The name-day for Alessia is January 9, the day the French Catholic Saint Alix Le Clerc, who is also known as Alessia Le Clerc, died in 1622.