Guy Eastman Tripp (April 22, 1865 - June 14, 1927) was an American business executive and an officer in the United States Army. A longtime manager and executive for several companies, he served as Chairman of the Westinghouse Electric Corporation Board of Directors from 1912 until his death. Tripp was director of more than 20 other companies, including several Westinghouse subsidiaries. Tripp lived in Greenwich, Connecticut and New York City and married Mary Elaine O'Connell. Together they had three daughters: Mary Tripp Hemphill, Olive Tripp Gatch, and Adah Tripp Forst.