M. Leone Bracker, also identified as Michael Leone Bracker, was an American illustrator and poster artist active in the early twentieth century. He worked in magazine and advertising illustration and became known for war poster designs. One of his notable assignments was the cover art for the inaugural issue of Adventure magazine, illustrating “Yellow Men and Gold,” a serial by Gouverneur Morris. Bracker’s career joined the commercial worlds of magazine covers, advertising, and public posters.