Mémorial is the official gazette of the Grand Duchy of Luxembourg. It is published by the Central Legislation Service (French: Service central de législation), an agency of the government of Luxembourg. Until the Second World War, Mémorial was published in both French and German, which were the two official languages of Luxembourg. Since the war, it has been published in only French (even though German remains an official language, and Luxembourgish has also become one).
Mémorial is subdivided into three separate publications. Although the separate publications had already been established, the current arrangement and separation of duties is dictated by the Grand Ducal decree of 9 January 1961. Under that decree, the three publications of Mémorial are: