Hewie \he-wie\ as a boy's name is a variant of Hewett (Old French). See for meaning of Hewie.
The baby name Hewie sounds like Howie and Hewe. Other similar baby names are Dewie, Bowie, Dewi, Heinie, Heine, Heike, Hewitt, Hewet, Hewney, Hobie, Howe, Hubie and Hew.