Yoanah \yo(a)-nah\ as a girl's name is a variant of Yoana (Hebrew), and the meaning of Yoanah is "God is gracious".
The baby name Yoanah sounds like Ioanah, Yoannah and Yonah. Other similar baby names are Oonah, Leanah, Lanah, Chanah, Danah, Ganah, Hanah, Ioannah, Ioana, Janah, Joana, Monah, Nonnah, Nonah, Roana, Shanah, Yoanna, Yana, Yoninah and Yona.