Mike Crapo (born 1951), American politician (Senator from Idaho)
•
William Crapo Durant (1861–1947), American businessman and founder of General Motors
•
William W. Crapo (1830–1926), American politician (member of the House of Representatives from Massachusetts)
William Crapo "Billy" Durant (December 8, 1861 – March 18, 1947) was a leading pioneer of the United States automobile industry, who created the system of multi-brand holding companies with different lines of cars; and the co-founder of General Motors with Frederic L. Smith, and of Chevrolet with Louis Chevrolet.