Selah \s(e)-lah\ as a boy's name is a variant of Sela (Hebrew), and the meaning of Selah is "boulder, cliff".
The baby name Selah sounds like Seal, Celio, Sal, Sol, Seeley, Seelye, Seely, Sealey, Sewall, Sill, Sully and Sly. Other similar baby names are Selmo, Sean, Peleh, Selim, Selby, Selig, Seth, Silas, Sylas and Zerah.