Max "Big Maxie" Greenberg (1883–1933) was an American bootlegger and organized crime figure in Detroit, Michigan, and later a member of Egan's Rats in St. Louis. He oversaw the purchasing of sacramental wine from Orthodox rabbis, then allowed under the Volstead Act, which were sold to bootleggers in the St. Louis–Kansas City, Missouri area during Prohibition. He was also associated with mobsters in this particular method of acquiring illegal liquor including Waxey Gordon, Meyer Lansky and Arnold Rothstein.