Gaby \g(a)-by\ as a girl's name (also used as boy's name Gaby), is a variant of Gabrielle (Hebrew), and the meaning of Gaby is "heroine of God".

The baby name Gaby sounds like Gabi, Gabbi and Gabbe. Other similar baby names are Gay, Gale, Gal, Gail, Gael, Abby, Mab, Babe, Bauby, Babb, Baba, Bab, Bay, Cady, Kady, Kaly, Cary, Kacy, Casy, Cacy, Kasy, Kay, Katy, Cay, Caty, Fiby, Gavi, Gada, Gaea, Gala, Gaia, Gahl, Gana, Gaye, Gai, Gae, Joby, Kary, Liby, Ruby, Saba, Tabby and Toby.