Flag of Mato Grosso do Sul
| Use | Civil and state flag | 
|---|---|
| Proportion | 7:10 | 
| Adopted | 1 January 1979 | 
| Design | A white diagonal band radiating from the lower hoist-side corner to the top-center. The upper triangle is green and the lower triangle is blue with a yellow five-pointed star in the bottom-right corner. | 
| Designed by | Group of University of São Paulo students in the college of Architecture and Urbanism including Mauro Michael Munhoz, Vera Domschke, and Alex Flemming | 
The state flag of Mato Grosso do Sul was designed by a group of University of São Paulo students and adopted on 1 January 1979 by the 1st decree of the state of Mato Grosso do Sul.