Rigg \r(i)-gg\ as a boy's name is a variant of Ridge (Old English), and the meaning of Rigg is "ridge".

The baby name Rigg sounds like Rich, Ric, Rick, Rik, Reggy, Reg, Riki, Rico, Rikk and Rog. Other similar baby names are Ring, Ries, Brigg, Rien, Reigh, Rice, Ringo, Rio, Rip, Rito, Rion and Rian.