Flag of Laos
| Thong dwang deaen (the white moon flag) Sam si (tricolour) | |
| Use | National flag and ensign |
|---|---|
| Proportion | 2:3 |
| Adopted | 12 October 1945; 2 December 1975 (re-adopted) |
| Design | A horizontal triband of red, blue (double height) and red; charged with a white circle in the centre (the diameter of white circle is four-fifths the height of blue band) |
| Designed by | Maha Sila Viravong |
The national flag of the Lao People's Democratic Republic consists of 3 horizontal stripes, with the middle stripe in blue being twice the height of the top and bottom red stripes. In the middle is a white disc, the diameter of the disc is 4⁄5 the height of the blue stripe. The flag ratio is 2:3. The flag was first adopted in 1945 under the Lao Issara government of 1945–46, then by the Pathet Lao.