This is a list of flags used in or otherwise associated with Uruguay.
| Flag | Date | Use | Description |
|---|
| 1519-1785 | | A red saltire resembling two crossed, roughly-pruned (knotted) branches, on a white field. |
| 1785-1814 | Flag of The Kingdom of Spain | A horizontal triband flag of red, yellow (double width) and red; charged with the Spanish coat of arms off-centred toward the hoist. |
| 1812 | | A Horizontal Bicolour of White and Light Blue. |
| 1812–1817 | The Flag of Macha Officially adopted in 1816 | A triband, composed of three equal horizontal bands coloured light blue, white and light blue. |
| 1814-1815 | | A triband, composed of three equal horizontal bands coloured blue, white and blue; with red stripes inside the blue bands. |
| 1817-1822 | | The Coat of Arms of the union with the armillary sphere representing the Kingdom of Brazil and the Portuguese shield representing the Kingdom of Portugal and the Algarves, with a Royal Crown, on a white field. |
| 1817-1822 | Flag of The Kingdom of Brazil | A Blue Field with the armillary sphere in the center. |
| 1820-1825 | | A triband, composed of three equal horizontal bands coloured green, white and green with the province's emblem in the center.[9] |
| 1822 | Flag of the newly independent Kingdom of Brazil | The Prince Royal's Personal Standard with a Royal Crown instead of an Imperial. |
| 1822-1828 | | The Imperial Coat of Arms, within a yellow rhombus representing the House of Habsburg, on a green field representing the House of Braganza. |
| 1825-1828 | | A triband, composed of three equal horizontal bands coloured light blue, white and light blue with a yellow Sun of May in the center. |
| 1825-1828 | Flag of The Oriental Province | A triband, composed of three equal horizontal bands coloured blue, white and red. |
| 1828-1830 | Flag of The Oriental State of Uruguay | Nine horizontal stripes of light blue with the upper hoist-side corner bearing the Sun of May in the center over a white canvas.[10] |
| 1839-1851 | | Similar to the current flag.[11] |
| 1839-1851 | | Similar to the current flag but with light blue stripes. | |
