Sepp \s(e)-pp\ as a boy's name is a variant of Joseph (Hebrew), and the meaning of Sepp is "Jehovah increases".

The baby name Sepp sounds like Seppi, Sebo and Seb. Other similar baby names are Shepp, Capp, Sean, Pepe, Peppi, Kipp, Seal, Sela, Seth, Shep, Skip, Skipp and Zeph.