Major-General Sir Frederick Spencer Wilson Robb, KCB, KCMG, KCVO (8 October 1858 – 8 February 1948) was a senior British Army officer who went on to be Military Secretary.

In early 1902 he became Assistant Adjutant General at Army Headquarters, with the substantive rank of colonel dated 1 January 1902.

[7] For his service in organizing troops during the Coronation of King Edward VII and Queen Alexandra, he was invested as a Member (fourth class) of the Royal Victorian Order (MVO) two days after the ceremony, on 11 August 1902.

[8][9] He was promoted to the temporary rank of brigadier general and appointed commander of the 11th Infantry Brigade,[10] as well as the Colchester Garrison, and was placed in charge of Administration at Aldershot in 1910.

[4] Robb served in World War I, was promoted to temporary lieutenant general on 5 August 1914,[11] and was appointed a Knight Commander of the Order of the Bath in February 1915.