The name Johanna is a girl's name of Hebrew, German origin meaning "God is gracious". Johanna is ranked #550 on our popularity charts and is often added to lists like International Variations of Jane and discussed in our forums with posts like "Girls Makeover - Two Middles".
From the experts:
Johanna is the version of this name used in Holland, Germany, and Scandinavia. The extra h makes Johanna a slightly more dignified version of Joanna.
A notable namesake is the author of Heidi, Johanna Spyri. There are Johannas in Sweeney Todd, The Hunger Games, and the Bob Dylan song, "Visions of Johanna."