Vice-Admiral Hyde Parker CB (1786 – 26 May 1854) was a senior British naval officer who started to serve during the Napoleonic Wars and who was appointed First Sea Lord of the Admiralty in 1852. He is generally known as "Hyde Parker III".
He joined the Royal Navy in 1796. Between 1811 and 1840 he commanded successively HMS Monmouth, HMS Tenedos, HMS Iphigenia, HMS St Vincent, HMS Asia, HMS Victory and HMS Rodney.
He was appointed First Sea Lord in 1852 and died in office in 1854.