 | |
| Use | Civil and state flag, state ensign |
|---|---|
| Proportion | 1:2 |
| Adopted | 1904 |
The flag of the Orange River Colony was the official flag of the Orange River Colony in South Africa from 1904 to 1910. It formed part of a system of colonial flags that was used throughout the British Empire. It was superseded by the Flag of the Union of South Africa.