1986–87 County Antrim Shield

The 1986–87 County Antrim Shield was the 98th edition of the County Antrim Shield, a cup competition in Northern Irish football.

Glentoran won the tournament for the 19th time, defeating Glenavon 3–0 in the final. This year the County Antrim FA invited three clubs from County Armagh to compete (Glenavon, Newry Town and Portadown).

First round

 * }

Quarter-finals

 * }

Semi-finals

 * }