Who is Queen Elizabeth II's husband?

Prince Phillip, the Duke of EdinburghHRH Queen Elizabeth II is married to Prince Phillip.

The Queen of the United Kingdom of Great Britain and Northern Ireland is married to Prince Philip, Duke of Edinburgh. Philip was originally a royal prince of Greece and Denmark, and thus a member of the Danish-German House of Schleswig-Holstein-Sonderburg-Glücksburg, but renounced these titles shortly before his marriage and adopted the surname of his maternal grandparents, to become known as Lieutenant Philip Mountbatten

There has not been a Queen (or King) of England for over 300 years. England is a part of, but not the same as, The United Kingdom of Great Britain and Northern Ireland. Prince Philip, the Duke of Edinburgh. Born Prince Philip of Greece and Denmark he became a British citizen as Philip Mountbatten before marrying the Princess Elizabeth (as she was then) on 20 November, 1947.
Prince Philip, the Duke of Edinburgh, is Her Majesty s husband