The 1998–99 County Antrim Shield was the 110th edition of the County Antrim Shield, a cup competition in Northern Irish football.
Glentoran won the tournament for the 21st time, defeating Cliftonville 2–0 in the final. For the 13th year running a club from County Armagh competed (Newry Town), however Portadown did not compete in this edition.
Results First round
Quarter-finals
Semi-finals
Final
References
External links Northern Ireland - List of County Antrim Shield Winners