Isia \i-sia\ as a boy's name is a variant of Isaiah (Hebrew), and the meaning of Isia is "salvation of God; the Lord helps me".

The baby name Isia sounds like Isa, Isiah and Isaia. Other similar baby names are Ilia, Iain, Ilie, Ira, Ikie, Iziah, Issiah, Isham, Issy, Josia and Shia.