The 1999 National Soccer League Grand Final, also known as the 1999 Ericsson Cup Grand Final, was held on 30 May 1999 between South Melbourne and Sydney United at Olympic Park Stadium. South Melbourne gained home advantage as although Sydney United finished higher in the regular season, South Melbourne won the major semi-final against them two weeks prior. Mile Sterjovski scored first for United as they went up 1–0 at the half time break, however, a goal from Paul Trimboli and a brace from John Anastasiadis sealed South Melbourne's second consecutive championship and fourth overall. Goran Lozanovski won the Joe Marston Medal.