The name John Hackett may refer to three prominent men. They include a father and son, both called John Winthrop Hackett: · John Winthrop Hackett Senior (1848-1916), was an Irish-born Australian newspaper man and politician. · General Sir John Winthrop Hackett Junior (1910-97), was an Australian-born British soldier and author. · John Hackett (born ?) is a British musician, the brother of Steve Hackett.