The name Evanna is a girl's name of Welsh origin meaning "God is gracious". Evanna and is often added to lists like Movie Character Names and discussed in our forums with posts like "This or That?------------girls!".
From the experts:
Evanna is the name of a Harry Potter actress who pronounces it ee-vah-na. This might be considered yet another international feminine form of the many variations of John; Ivana, Giovanna, and even Joan are cousins of Evanna.