Gabby \g(ab)-by\ as a boy's name is a variant of Gabriel (Hebrew), and the meaning of Gabby is "God's able-bodied one; hero of God".

The baby name Gabby sounds like Gabbo, Gaby, Gabbi and Gibby. Other similar baby names are Abby, Ebby, Bobby, Cadby, Canby, Gable, Gabie, Gabi, Gabe, Gabbie, Gab, Gary, Garry, Garey, Gay, Gibbe, Gibb, Cobby, Rabbi, Robby and Tabb.