Robb \r(o)-bb\ as a boy's name is a variant of Rob and Robert (Old German), and the meaning of Robb is "bright fame".
The baby name Robb sounds like Robby and Robi. Other similar baby names are Cobb, Ron, Bob, Bobby, Coby, Koby, Kobe, Roy, Gibb, Hob, Cobby, Cob, Joab, Job, Joby, Jobe, Kobi, Cobi, Cobe, Loeb, Moab, Rabi, Rabbi, Rowl, Roul, Ruby, Rube, Robbie, Robyn, Robin, Robbin, Robben, Roban, Rab, Robbyn, Rock, Roch, Rod, Rory, Rodd, Roe, Rowe, Row, Rog, Rome, Ronn, Ross, Roth, Roan, Roi, Rubi, Tabb, Toby, Tobi, Tobe and Webb.