Robby \r(ob)-by\ as a girl's name (also used as boy's name Robby), is a variant of Roberta (Old English, Old German) and Robin (English), and the meaning of Robby is "bright fame".
The baby name Robby sounds like Robbi and Robbey. Other similar baby names are Bobby, Abby, Rory, Bobbi, Bobbe, Debby, Libby, Joby, Jobey, Rebba, Ronny, Robyn, Robi, Robbie, Robbee, Roba, Robbin, Robee, Romy, Ronay, Rosey, Rosay, Rozy, Rosy, Ruby, Rubey, Tabby, Tibby, Toby and Tobey.