Joann \jo(a)-nn\ as a girl's name is a variant of Joanna. See for origin and meaning of Joann.

The baby name Joann sounds like Jann, Joana, Joan, Joane, Joeann, Joanne and Joyann. Other similar baby names are Deann, Diann, Jovanne, Jovanna, Jovana, Ioanna, Ioana, Jan, Janne, Janna, Jana, Janny, Jane, Juana, Joni, Johnna, Johanna, Jeanne, Jean, Jany, Jeanna, Jeane, Jeana, Jenn, Jiana, Jianna, Josanne, Josanna, Jolynn, Jolyn, Jolana, Jone, Joannue, Joanie, Joeanne, Joeanna, Jo-Ann, Johanne, Johana, Jonni, Jonna, Johna, Jolan, Jolanne, Josana, Joyanne, Joyanna, Leann, Liann, Luann, Louann, Nann, Roana, Roanna, Roanne, Riann, Yann, Yoana, Yoanna, Jolanna and Jona.