Jack Pease, 1st Baron Gainford (1860–1943), British businessman and Liberal politician
Jack Kerouac | Jack Nicholson | Baron | Jack Nicklaus | Jack the Ripper | Jack London | Jack Kemp | Louis Mountbatten, 1st Earl Mountbatten of Burma | Horatio Nelson, 1st Viscount Nelson | Herbert Kitchener, 1st Earl Kitchener | Jack Kirby | Charles Cornwallis, 1st Marquess Cornwallis | Jack Lemmon | Jack Black | 1st United States Congress | Jack Abramoff | Frederick Roberts, 1st Earl Roberts | Bernard Montgomery, 1st Viscount Montgomery of Alamein | William Cecil, 1st Baron Burghley | Jack Dempsey | Jack Benny | Jack White | Wolfman Jack | Union Jack | Robert Harley, 1st Earl of Oxford and Earl Mortimer | Jack White (musician) | Jack and the Beanstalk | George Villiers, 1st Duke of Buckingham | Thomas Wentworth, 1st Earl of Strafford | baron |