Admiral Charles Frederick (7 May 1797 – 23 December 1875) was a Royal Navy officer who went on to be Third Naval Lord.

Frederick joined the Royal Navy in 1810 and then served in the First Opium War in command of HMS Apollo.

[1] Promoted to captain in 1842, he commanded HMS Amphitrite in the Pacific during the Crimean War.

Advanced to vice-admiral on 18 October 1867, he retired in 1875.

[1][2] Although he was never knighted, he brought a lawsuit over the succession to the Frederick Baronetcy in 1873 following the death of the 6th Baronet.