Flag of Flintshire
| Proportion | 3:5 |
|---|---|
| Adopted | 24 February 2015 |
| Design | Argent a cross engrailed sable between four Cornish choughs proper |
| Designed by | Historic |
The Flintshire flag (Welsh: Baner Sir y Fflint) is the flag of the county of Flint. A campaign was launched in September 2012 to have the flag recognised by the Flag Institute, and it was formally adopted on 24 February 2015.