Steffan \s-teffan, st(ef)-fan\ as a boy's name is a variant of Stefan (German, Scandinavian) and Stephen (Greek), and the meaning of Steffan is "crown, garland".
The baby name Steffan sounds like Steffon, Steffen and Staffan. Other similar baby names are Stefonn, Stevan, Stephan, Stefon and Stefano.