John Ponsonby

• John Ponsonby , Irish politician
• John Ponsonby, 1st Viscount Ponsonby, British diplomat
• John Ponsonby, 4th Earl of Bessborough, English politician
• John Ponsonby, 5th Earl of Bessborough, British politician
• John Ponsonby , British general
• John Ponsonby , senior commander in the Royal Air Force
• John Ponsonby , colonel in Oliver Cromwell's army and member of parliament