Harrison King McCann (November 4, 1880 – December 20, 1962), was the founder of the H. K. McCann Company. H. K. McCann Company was an advertising agency that, as McCann Erickson, grew to become the world's largest with a global network of offices in more than 130 countries, providing advertising campaigns for brands including Standard Oil (Esso, Exxon), Vaseline, Beech-Nut, Del Monte, Nabisco, Coca-Cola, General Motors, Martini, Gillette, L’Oréal, Bacardi, Nestlé, R.J. Reynolds and MasterCard.