The name Rheana is a feminine name with English origin. It is pronounced as ree-AN-uh (/riˈanə/). Variations of the name include Rhianna and Rhiannon. In the United States, Rheana has been given to newborns since at least 1978. It gained popularity in the early 2000s, with a peak of 21 occurrences in 2002. The name has seen some fluctuations in popularity over the years but remains a unique and beautiful choice for baby girls.