Rear Admiral Frederick Warden CB (18 November 1807 – 11 November 1869) was a Royal Navy officer who went on to be Commander-in-Chief, Channel Squadron.

Warden joined the Royal Navy as a cadet in 1820.

[1] He served off the coast of Syria during the Oriental Crisis in 1840.

[1] Promoted to captain in 1845, he was given command of HMS Retribution in 1850 and then HMS Ajax which was used as mobile maritime battery in the Baltic Sea during the Crimean War.

[1] He arrived from Lisbon to take command at Queenstown aboard HMS Helicon, despatch vessel, on 28 December 1868.