The following lists events that happened during 1963 in the Grand Duchy of Luxembourg.
Incumbents
Events
January – March
23 March – Representing Luxembourg, Nana Mouskouri finishes eighth in the Eurovision Song Contest 1963 with the song À force de prier.
April – June
29 April – Grand Duchess Charlotte pays a state visit to the United States until 4 May.
July – September
9 October – Jeunesse Esch beat FC Haka 4–0 to become the only Luxembourgian side to progress to the last sixteen of the European Cup. 30 October – The national football team shocks the Netherlands by winning 2–1 in the second qualifying round for the 1964 European Nations' Cup, progressing 3–2 on aggregate.
October – December
4 November – Vice President Lyndon B. Johnson visits Luxembourg. 18 December – Luxembourg is knocked out at the final stage of qualifying for the 1964 European Nations' Cup, losing a play-off against Denmark 1–0, having drawn 5–5 with the Danes on aggregate.