The coat of arms of the Grand Duchy of Luxembourg has its origins in the Middle Ages. There are greater, middle and lesser versions; in heraldic language, these arms are described as : burely of 10 argent and azure, a lion rampant queue fourché in saaltire gules armed, langued and crowned or.
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| Greater coat of arms (Royal Version) |
The greater coat of arms has two reguardant and crowned lions as supporters, the Dinastic Order and all surrounded by hermine mantling crowned with a heraldic royal crown (the crown used by the Grand Duke).
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| Middle coat of arms (State Version) |
The middle coat of arms has the supporters, the order and the crown.
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| Lesser coat of arms |
The lesser coat of arms has the crown and the escutcheon without external ornaments.
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| Greater coat of arms of the Grand Duke |
The greater variant has a dinastic inescutcheon with the arms of the House of Bourbon-Parma (Blazon: Azure bordure Gules charged with eight escallops Argent, three fleurs-de-lys Or). The supporters are holding a lance Or, flying the flag of Luxembourg, all surrounded by hermine mantling with the crown.
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| Middle coat of arms of the Grand Duke |
The middle variant has the supporters, the order and the crown.
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| Lesser coat of arms of the Grand Duke |
The lesser variant of the arms of the monarch has no external ornaments.
The Arms for use by the Grand Duke as seen on his Standard.
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| Standard of the Grand Duke |
An orange flag with the middle coat of arms of the Grand Duke.
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| The Royal car flag |