Michelina is a feminine given name of Italian origin, derived from the name Michele, the Italian form of Michael. The name Michael is derived from the Hebrew name Mikhael, meaning "who is like God?". Michelina is a diminutive form of Michele, with the addition of the Italian diminutive suffix "-ina".

The name Michelina has its roots in early Christianity, as it is closely tied to the archangel Michael, one of the principal angels in the Bible. Michael is mentioned in the Book of Daniel and the Book of Revelation, where he is depicted as a powerful protector of the people of God.

One of the earliest recorded uses of the name Michelina can be found in Italian Renaissance literature. Michelina was the name of a character in the 16th-century play "La Mandragola" by the Italian playwright Niccolò Machiavelli.

Throughout history, several notable women have borne the name Michelina. One of the earliest was Michelina Wautier (1617-1689), a Baroque painter from Brussels known for her still-life paintings and portraiture.

Another notable Michelina was Michelina di Cesare (1760-1835), an Italian painter and engraver from Rome who specialized in religious and mythological subjects.

In the 20th century, Michelina Pascucci (1903-1986) was an Italian operatic soprano who performed at major opera houses around the world, including La Scala in Milan and the Metropolitan Opera in New York.

Michelina Belletti (1921-1996) was an Italian film actress who appeared in over 70 films during the Golden Age of Italian cinema, often playing comedic roles.

More recently, Michelina Ventriglia (1937-2017) was an Italian lawyer and politician who served as a member of the Italian Parliament and was known for her advocacy of women's rights and gender equality.

These are just a few examples of notable women throughout history who have carried the name Michelina, a name with rich cultural and religious significance rooted in the Italian language and early Christianity.