| County Antrim Shield | |
| Year: | 1988–89 |
| Num Teams: | 16 |
| Defending Champions: | Newry Town |
| Winners: | Bangor (3rd win) |
| Second: | Glentoran |
| Matches: | 15 |
| Goals: | 46 |
| Prev Season: | 1987–88 (Shield) 1987–88 (Chalice) |
| Next Season: | 1989–90 |
The 1988–89 County Antrim Shield was the 100th edition of the County Antrim Shield, a cup competition in Northern Irish football.[1]
Bangor won the tournament for the 3rd time, defeating Glentoran 2–1 in the final.[2] For the 3rd year running the County Antrim FA invited three clubs from County Armagh to compete (Glenavon, Newry Town and Portadown).[3]
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