Flag of Mari El
| Proportion | 2:3 |
|---|---|
| Adopted | 1 June 2011 |
| Design | A white field with a ornament pattern on the hoist and the Mari coat of arms offset to the right. |
| Designed by | Andrey Sannikov |
| Use | Standard of the Head of the Mari El Republic |
| Proportion | 1:1 |
The flag of Mari El (Meadow Mari: Марий Элын тистыже, romanized: Marij Elyn tistyžje, Hill Mari: Мары Элын флагшы, romanized: Mary Elyn flagšy), a federal subject and republic in the Russian Federation, was adopted by the Parliament of Mari El on 1 June 2011.