Charles Howard, 1st Earl of Nottingham, 2nd Baron Howard of Effingham, KG, known as Lord Howard of Effingham, was an English statesman and Lord High Admiral under Elizabeth I and James I. He was commander of the English forces during the battles against the Spanish Armada and was chiefly responsible for the victory that saved England from invasion by the Spanish Empire.

The Lord High Admiral of the United Kingdom is the ceremonial head of the Royal Navy. Most have been courtiers or members of the British royal family, and not professional naval officers. The Lord High Admiral is one of the nine English Great Officers of State and since 2021 is held personally by the reigning monarch.