Kristiana is a feminine given name derived from the Greek name Christianos, which means "follower of Christ." The name originated in the early Christian era and was initially used to refer to those who had converted to Christianity.

The earliest known use of the name Kristiana can be traced back to the 4th century, when it appeared in various Christian texts and records. During this time, the name was primarily used in regions of the Byzantine Empire and other areas where Christianity had spread.

One of the earliest recorded individuals with the name Kristiana was Saint Kristiana of Tyre, a 4th-century Christian martyr who was executed for her faith during the persecution of Christians under the Roman Emperor Diocletian. Her story is recounted in various hagiographies and martyrologies.

Another notable figure with the name Kristiana was Kristiana of Markyate, an English nun who lived in the 12th century. She is known for her religious devotion and her efforts to establish a monastic community in Hertfordshire, England.

In the 16th century, Kristiana of Denmark, also known as Christina of Denmark, was a Danish princess and the first wife of King Ferdinand I of Naples and Sicily. She played a significant role in the cultural and artistic life of the Neapolitan court during her time.

Moving forward, Kristiana of Saxe-Coburg-Saalfeld, born in 1778, was a German princess and the wife of Prince William Frederick, Duke of Gloucester and Edinburgh. She was a prominent figure in British society during the late 18th and early 19th centuries.

Lastly, Kristiana of Norway, born in 1826, was a Norwegian princess and the daughter of King Charles III John of Norway and Sweden. She was known for her interest in the arts and her support of various charitable causes.

These are just a few examples of individuals who bore the name Kristiana throughout history, highlighting its rich cultural and religious significance across different regions and time periods.