John "Joe" Mears (20 January 1905 – 30 June 1966) was chairman of Chelsea Football Club and the Football Association. Mears was the son and nephew of Chelsea F.C. founders, Joseph and Gus Mears respectively. He was a goalkeeper for the Old Malvernians before joining the Chelsea board in 1931, in doing so becoming the youngest director (aged 26) in the Football League. He became Chelsea chairman in 1940 following the death of Colonel Crisp. Mears was a Royal Marine during the Second World War, and his duties included the security arrangements for Prime Minister Winston Churchill's bunker.