The name Constantina is a girl's name of Latin origin meaning "constant, unchanging". Constantina and is often added to lists like Cool Girl Names from Ancient Cultures and discussed in our forums with posts like "Hunt for our favourite girl names (Alphabet-wise)".
From the experts:
Constantina is a pretty, feminissima, if lengthy, variation on the Constance theme. The fourth century Constantina, also known as Constantia and Constantiana, was the eldest daughter of Roman Emperor Constantine the Great and his second wife Fausta, daughter of Emperor Maximian. Constantina received the title of Augusta by her father, and is venerated as a saint; in English she is also known as Saint Constance.