Louis Mountbatten, 1st Earl Mountbatten of Burma, received numerous titles, decorations and honorary appointments during his time as Supreme Allied Commander, South East Asia Command, in the Second World War, the last Viceroy and Governor-General of India, First Sea Lord and Chief of the Naval Staff, Chief of the Defence Staff, and owing to his close relation to the British royal family and numerous other European royal families.

Where two dates are shown, the first indicates the date of receiving the title or award (the title of Prince Louis of Battenberg being given as from his birth) and the second indicates the date of its loss, renunciation or when its use was discontinued.

• 25 June 1900 – 14 July 1917: His Serene Highness Prince Louis of Battenberg
• 14 July 1917 – 7 November 1917: Louis Mountbatten, Esq.
• 7 November 1917 – 23 August 1946: Lord Louis Mountbatten
• 23 August 1946 – 21 February 1947: The Right Honourable The Viscount Mountbatten of Burma^[1]
• 21 February 1947 – 28 October 1947: His Excellency The Right Honourable The Viscount Mountbatten of Burma^[2]
• 28 October 1947 – 21 June 1948: His Excellency The Right Honourable The Earl Mountbatten of Burma^[3]
• 21 June 1948 – 27 August 1979: The Right Honourable The Earl Mountbatten of Burma

Mountbatten was born a prince of Battenberg, a morganatic cadet branch of the House of Hesse-Darmstadt, with the style of Serene Highness. On 14 July 1917, his father, Prince Louis of Battenberg, dropped his German princely title due to anti-German feelings prevalent in Britain during World War I. Members of the Battenberg family living in Britain took the anglicized surname Mountbatten.^[4] Until his father was created Marquess of Milford Haven on 7 November 1917, Mountbatten had no title besides his military rank. From then he had the courtesy title Lord prefixed to his Christian name. He continued being styled as such until being raised to the peerage himself, first as Viscount Mountbatten of Burma on 23 August 1946 and later as Earl Mountbatten of Burma, both with the style of The Right Honourable, on 28 October 1947. From 21 February 1947 to 21 June 1948, he carried the additional style of Excellency by virtue of his Indian viceregal positions.

Royal Navy

• 15 July 1916: Midshipman^[5]
• 15 January 1919: Sub-Lieutenant^[5]
• 15 April 1920: Lieutenant^[6]
• 15 April 1928: Lieutenant-Commander^[7]
• 31 December 1932: Commander^[8]
• 30 June 1937: Captain^[9]
• 2 January 1946: Rear Admiral^[5]
• 22 June 1949: Vice-Admiral^[5]
• 27 January 1953: Admiral^[5]
• 22 October 1956: Admiral of the Fleet^[10]

Appointments (Shown in order in which appointments were made, not order of precedence)

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Foreign appointments

Country	Date	Appointment	Ribbon	Post-nominal letters
Grand Duchy of Hesse		Grand Cross of the Grand Ducal Hessian Order of Louis[24]
Kingdom of Spain	1922	Knight Grand Cross of the Royal Order of Isabella the Catholic[25]		gcYC
Kingdom of Egypt	1922	Officer of the Order of the Nile[25]
Empire of Japan	1922	The Order of the Rising Sun, Fourth Class[24]
Kingdom of Romania	1924	Grand Cross of the Order of the Crown of Romania[25]
	1937	Grand Cross of the Order of the Star of Romania[25]
United States	1943	Chief Commander of the Legion of Merit[26]
Republic of China	1945	Special Grand Cordon of the Order of the Cloud and Banner[27]
Kingdom of Thailand	21 January 1946	Knight Grand Cross of the Most Exalted Order of the White Elephant[28][29]		PCh (KCE)
Kingdom of Nepal	10 May 1946	Member of the First Class of the Most Refulgent Order of the Star of Nepal[28]
French Republic	3 June 1946	Grand Cross of the National Order of the Legion of Honour[28][30]
Kingdom of Greece	1946	Grand Cross (Military) of the Royal Order of George I[31]
Kingdom of the Netherlands	1948	Knight Grand Cross of the Order of the Netherlands Lion[32]
Portuguese Republic	1951	Grand Cross of the Military Order of Saint Benedict of Aviz[25]		GCA
Kingdom of Sweden	1952	Knight of the Royal Order of the Seraphim		RSerafO
Union of Burma	1956	Grand Commander of the Most Glorious Order of Truth[26]
Kingdom of Denmark	1962	Grand Cross of the Order of the Dannebrog[25]		S.K.
Ethiopian Empire	1956	Grand Cordon of the Order of the Seal of Solomon[25]

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Decorations (Shown in order in which appointments were made, not order of precedence)

More information Country, Date ...

Foreign decoration

Country	Date	Appointment	Ribbon	Post-nominal letters
Kingdom of Greece	1941	War Cross[33]
United States	1945	Distinguished Service Medal[34]
	1945	Asiatic-Pacific Campaign Medal
French Republic	3 June 1946	1939–1945 War Cross
Kingdom of Nepal	24 February 1975	King Birendra Coronation Medal

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Awards that were worn regularly by Mountbatten are noted in the above tables and were worn in accordance with customary British conventions applicable to the occasion, the location and to the form of dress worn. Awards not specifically noted were worn by Mountbatten on appropriate occasions relating to the country that made the award, again in accordance with UK conventions. The ribbons worn by Mountbatten at the time of his death were as follows: Displayed as they would be worn on a uniform shirt.

Mountbatten was one of the few persons eligible to wear four stars of British orders of knighthood. On his uniform, he wore the stars of the orders of the Garter, Bath, Star of India and the Royal Victorian Order. No other British national was again eligible until his nephew Prince Philip, Duke of Edinburgh was made a Knight Grand Cross of the Royal Victorian Order in 2017. Mountbatten wore the riband of the Garter, except on collar days, when he wore the Garter collar with the riband of his second highest order, the Order of the Bath. He was the last person to publicly wear the insignia of a Knight Grand Commander of the Order of the Star of India. Having been appointed personal aide-de-camp to three sovereigns, Edward VIII, George VI and Elizabeth II, he bore the unusual distinction of being allowed to wear three royal cyphers on his epaulettes.^[35][36]

• Earl Mountbatten of Burma
• List of titles and honours of Prince Philip, Duke of Edinburgh
• List of titles and honours of Charles III