General Sir Frederick William Edward Forestier-Walker, GCMG, KCB, KStJ (17 April 1844 – 30 August 1910) was a British senior military officer and Governor of Gibraltar.

He was the eldest son of General Sir Edward Forestier-Walker (previously Walker), by his first wife, Lady Jane Ogilvy-Grant, daughter of the 6th Earl of Seafield.

[3] In 1873 he was appointed Military Secretary to the General Officer Commanding Cape Colony and 15 October 1878 was promoted colonel.

[6] In 1882 he was appointed Assistant Adjutant and Quartermaster-General[7] for the Home District but shortly after returned to South Africa.

In a despatch dated 31 March 1900, the Commander-in-Chief in South Africa, Lord Roberts, wrote how Forestier-Walker carried out his duties "with credit to himself and with advantage to the public service".