Admiral The Honourable Sir Edmund Robert Fremantle GCB GCVO CMG (16 June 1836 – 10 February 1929) was a Royal Navy officer who served as Commander-in-Chief, Plymouth (at the time, and from 1845 to 1900, formally known as Commander-in-Chief, Devonport).

Born a son of Thomas Fremantle, 1st Baron Cottesloe and Louisa Elizabeth Nugent, daughter of Sir George Nugent, 1st Baronet and a descendant, through Louisa's mother Maria Skinner, of the Schuyler family and Van Cortlandt family of British North America.

[3] He was promoted rear-admiral in 1885 and was made second-in-command of the Channel Squadron in 1886 and Commander-in-Chief, East Indies Station in 1888.

[10] On 31 August 1866, in Sydney, Edmund married Barberina Rogers Isaacs, eldest daughter of the Hon.

The oldest of their five sons, Admiral Sir Sydney Robert Fremantle, was born at sea on 16 November 1867.