John Vicars (1582, London – 12 April 1652, Christ's Hospital, Greyfriars, London) was an English contemporary biographer, poet and polemicist of the English Civil War. His best-known work is English Worthies or England's Worthies, whose full title is England's Worthies under whom all the Civil and Bloudy Warres since Anno 1642 to Anno 1647 are related.