Ib \ib\ as a girl's name (also used as boy's name Ib), is a variant of Isabel (Hebrew), and the meaning of Ib is "God's promise".

The baby name Ib sounds like Eba and Oba. Other similar baby names are Io, Ina, Mab, Bab, Bo, Deb, Ila, Lib, Ima, Ida, Ira, Isa, Ita, Iva, Ivy and Sib.