1998–99 County Antrim Shield

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.

First round

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Quarter-finals

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Semi-finals

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