1990–91 County Antrim Shield

The 1990–91 County Antrim Shield was the 102nd edition of the County Antrim Shield, a cup competition in Northern Irish football.

Glenavon won the tournament for the 1st time, defeating Newry Town 4–3 in the final. For the 5th year running the County Antrim FA invited three clubs from County Armagh to compete (Glenavon, Newry Town and Portadown).

First round

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Quarter-finals

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Semi-finals

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