Vice Admiral Sir Adrian James Johns, KCB, CBE, KStJ, DL (born 1 September 1951) is a former senior officer in the Royal Navy, serving as Second Sea Lord between 2005 and 2008.

[3] He was educated at Newquay Grammar School in Cornwall and then Imperial College London, where he studied physics.

[8] Johns was appointed Commander of the Order of the British Empire (CBE) in the 2001 New Year Honours.

Following this tour, Johns received a Queen's Commendation for Valuable Service, gazetted on 31 October 2003.

[8] On 9 June 2009, the Foreign and Commonwealth Office announced that Johns would succeed Sir Robert Fulton as Governor of Gibraltar later that year.