Flag of Herm
| Proportion | 3:5 |
|---|---|
| Adopted | c. 1953 |
| Design | White with a red St George's Cross with a banner of the arms of Herm in the canton; between two dolphins argent a bend or bearing three cowled Benedictine monks sable. |
| Designed by | William Crampton |
Former flag of Herm | |
| Use | Historical |
| Adopted | c. 1950 |
| Relinquished | c. 1953 |
| Design | A dark blue field with the coat of arms of Guernsey in the hoist and the name "HERM ISLAND" in white beneath it. |
.svg){kind=link}
The flag of Herm is white with a red St George's Cross with a banner of the arms of Herm in the canton; the arms are azure, between two dolphins argent a bend or bearing three cowled Benedictine monks sable. The ratio of the flag is 3:5. It was designed by the British vexillologist William Crampton. The arms of Herm was adopted in 1953. Around 1951 the island used a blue flag with the coat of arms of Guernsey near the hoist.