Jonna \j(on)-na\ as a girl's name is a variant of Johnna (Hebrew), and the meaning of Jonna is "God is gracious".

The baby name Jonna sounds like Jenna, Joanna, Janna, Joana, Jinna, Jonni, Jonnae, Johna and Jona. Other similar baby names are Donna, Honna, Jonina, Lonna, Monna, Nonna and Ronna.