Kyianna is a unique and modern given name of American origin, derived from the Greek name Kyriaki, meaning 'Lord's day'. It gained popularity as a variant spelling of Cyannna in the late 20th century. The name Kyianna has been used predominantly in English-speaking countries such as the United States and Canada.
Kyianna had varying popularity over the years, with spikes in 2002 and 2007, but overall maintained a consistent presence, peaking at 8 births in 2007.