The 1989–90 County Antrim Shield was the 101st edition of the County Antrim Shield, a cup competition in Northern Irish football.

Glentoran won the tournament for the 20th time, defeating Linfield 6–5 on penalties after the final had finished 0-0. For the 4th year running the County Antrim FA invited three clubs from County Armagh to compete (Glenavon, Newry Town and Portadown).

Results First round

Quarter-finals

Semi-finals

Final

References

External links Northern Ireland - List of County Antrim Shield Winners