| Coat of arms of the Grand Duchy of Luxembourg | |
|---|---|
 Greater (royal) version | |
| Versions | |
 The banner of arms, which serves as civil ensign | |
| Armiger | Henri, Grand Duke of Luxembourg |
| Adopted | 1235 current in 1972 |
| Shield | Barry of ten Argent and Azure, a Lion rampant queue fourchée en sautoir Gules crowned, armed and langued Or. |
| Supporters | Two lions reguardant queue fourchée en sautoir Or crowned of the same, armed and langued Gules |
| Order(s) | Order of the Oak Crown |
| Other elements | The shield is ensigned with the Grand-Ducal crown of Luxembourg. The whole under a Mantle Gules doubled ermine, fringed and tasseled Or, ensigned with the Grand-Ducal Crown |
The coat of arms of Luxembourg has its origins in the Middle Ages and was derived from the arms of the Duchy of Limburg, in modern-day Belgium and the Netherlands. In heraldic language, the arms are described as: Barry of ten Argent and Azure, a Lion rampant queue forchée Gules crowned, armed and langued Or.