1986 in Luxembourg

The following lists events that happened during 1986 in the Grand Duchy of Luxembourg.

January–March

 * 17 February – The Single European Act is signed in The Hague.

April–June

 * 3 May – Representing Luxembourg, Sherisse Laurence finishes third in the Eurovision Song Contest 1986 with the song Sherisse Laurence.
 * 8 May – The Karlspreis is awarded to the people of Luxembourg for Luxembourg's commitment to European integration. Grand Duke Jean collects it on the people's behalf.
 * 9–12 June – Grand Duke Jean and Grand Duchess Josephine-Charlotte make a state visit to Iceland.

July–September

 * 26 September – Prince Jean renounces the right of succession for himself and his descendants.

Births

 * 3 August – Prince Louis of Luxembourg
 * 8 December – Princess Marie-Gabrielle of Nassau