Hugh Trenchard, 1st Viscount Trenchard received numerous titles, decorations, and honours both during and after his military career.

Trenchard held the following ranks:^[1]

• 31 March 1891, 2nd Lieutenant, Forfar and Kincardine Artillery (Militia)^[2]
• 9 September 1893, 2nd Lieutenant, Royal Scots Fusiliers^[3]
• 12 August 1896, Lieutenant, Royal Scots Fusiliers^[4]
• 28 February 1900, Captain, Royal Scots Fusiliers^[5]
• 22 August 1902, Brevet Major^[6]
• 1 June 1908, Temporary Lieutenant Colonel^[7]
• 4 November 1910, Brevet Major^[8]
• 7 August 1914, Temporary Lieutenant Colonel^[9]
• 18 January 1915, Brevet Lieutenant Colonel^[10]
• 3 June 1915, Brevet Colonel^[11]
• 25 August 1915, Temporary Brigadier General^[12]
• 24 March 1916, Temporary Major-General^[13]
• 1 January 1917, Major-General^[12]
• 3 January 1918, Major-General, Royal Air Force^[12]
• 1 August 1919, Air Vice-Marshal, Royal Air Force^[12]
• 11 August 1919, Air Marshal, Royal Air Force^[12]
• 1 April 1922, Air Chief Marshal, Royal Air Force^[14]
• 1 January 1927, Marshal of the Royal Air Force^[15]

• 25 August 1905 (by F D Lugard, High Commissioner of the Northern Nigeria Protectorate)^[16]
• 18 September 1906 (by Lieutenant-Colonel H C Moorhouse, Officer Commanding Southern Nigeria Regiment)^[17]
• 31 May 1915 (by Field Marshal Sir John French, Commander-in-Chief British Armies in the Field)^[18]
• 1 November 1915 (by Field Marshal Sir John French, Commander-in-Chief, The British Army in France)^[19]
• 1 January 1916 (by Field Marshal Sir John French, Commander-in-Chief, The British Army in France)^[20]
• 15 June 1916^[12]
• 4 January 1917^[12]
• 11 December 1917^[12]
• 20 May 1918^[12]
• 10 April 1919^[12]

• 18 September 1906, Distinguished Service Order^[21]
• 1 January 1914, Companion in the Most Honourable Order of the Bath^[12]
• 1 January 1918, Knight Commander of the Most Honourable Order of the Bath^[22]
• 1 January 1924, Knight Grand Cross of the Most Honourable Order of the Bath^[12]
• 20 July 1935, Knight Grand Cross of the Royal Victorian Order^[23]
• 1 January 1951, Order of Merit^[24]

• 30 December 1919, Baronet^[12]
• 27 January 1930, Baron Trenchard, of Wolfeton in the County of Dorset^[25]
• 4 February 1936, Viscount Trenchard, of Wolfeton in the County of Dorset^[26]

• Queen's South Africa Medal with Transvaal, Orange Free State and Cape Colony clasps
• King's South Africa Medal with South Africa 1901 and South Africa 1902 clasps
• Africa General Service Medal with North Nigeria 1904, Southern Nigeria 1904-05 and Southern Nigeria 1905-06 clasps
• 1914 Star with 5 August - 22 November 1914 clasp
• War Medal
• Victory Medal with MiD oakleaf
• King George V Silver Jubilee Medal
• King George VI Coronation Medal
• Queen Elizabeth II Coronation Medal
• Croix de Guerre (Belgium)
• Distinguished Service Medal (U.S. Army)

• 1926, Doctor of Civil Law, University of Oxford^[12]
• date unknown Doctor of Laws, University of Cambridge^[12]

• 25 August 1915, Order of St. Anne, 3rd Class with Swords, Russia^[27]
• 1910s, Croix de Guerre (France)^[12]
• 9 November 1916, Légion d'honneur, Croix de Commandeur, France^[28]
• 24 September 1917, Order of Leopold, Commander, Belgium^[29]
• 11 March 1918, Croix de guerre, Belgium^[12]
• 8 November 1918, Order of the Crown of Italy, Commander, Kingdom of Italy^[30]
• 1910s, Order of Saint Stanislaus, 1st Class with Swords, Russia^[12]
• 15 July 1919, Distinguished Service Medal, United States^[12]
• 4 January 1921, Order of the Sacred Treasure, 1st Class, Japan^[31]
• date unknown, Order of the Two Rivers, Iraq^[12]

• 13 July 1919 Colonel of the Royal Scots Fusiliers^[32] (with the honorary rank of Major-General).^[33] Resigned appointment on 1 May 1946.^[34]