Sullavan \s(u)-lla-van\ as a boy's name is a variant of Sullivan (Gaelic), and the meaning of Sullavan is "dark eyes".

The baby name Sullavan sounds like Sullevan, Sylvan, Silvan and Slavin. Other similar baby names are Delavan, Solaman, Sulayman, Suleyman, Suleiman and Sulaiman.