| County Antrim Shield | |
| Year: | 2017–18 |
| Num Teams: | 16 |
| Defending Champions: | Linfield |
| Champions: | Crusaders (7th win) |
| Runner-Up: | Ballymena United |
| Matches: | 15 |
| Goals: | 60 |
| Prevseason: | 2016–17 |
| Nextseason: | 2018–19 |
The 2017–18 County Antrim Shield was the 129th edition of the County Antrim Shield, a cup competition in Northern Irish football.[1]
Crusaders won the tournament for the 7th time, defeating Ballymena United 4–2 in the final.[2] [3]
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