Roger M. Blough (January 19, 1904 – October 8, 1985) was the chairman of the board and chief executive officer of the United States Steel Corporation for 13½ years, from May 1955 through January 1969. In this position, he is best known for serving as the American steel industry's principal spokesman when the industry clashed in April 1962 with President John F. Kennedy on the issue of commodity steel prices.