Flag of Baja California Sur
| Use | Civil and state flag |
|---|---|
| Proportion | 4:7 |
| Adopted | December 31, 2017 |
| Design | Solid white with the Baja California Sur coat of arms in the center. |
The Flag of Baja California Sur is the flag used by the Mexican state of Baja California Sur. The flag was adopted December 31, 2017. The State Flag consists of a white rectangle with a ratio of four to seven between the width and length; in the center it bears the State Coat of arms, placed in such a way that it occupies three-quarters of the width.