John Carl Williams Hinshaw (July 28, 1894 – August 5, 1956) was an American businessman and politician who served nine terms as a United States representative from California from 1939 to 1956.

He served overseas as a First Lieutenant in the Sixteenth Railroad Engineers from May 1917 to September 1919 during and immediately after World War I.

Hinshaw moved to Pasadena, California in 1929 and engaged in the real estate and insurance business.

He was elected as a Republican to the Seventy-sixth and to the eight succeeding Congresses and served from January 3, 1939, until his death in Bethesda, Maryland in 1956.

He received the Air Force Association's Citation of Honor in 1948,[2] and in 1953 Hinshaw received the National Aeronautic Association's Wright Brothers Memorial Trophy "For his service as a Member of the House of Representatives in fostering the sound and consistent growth of aviation in all its forms, so that it might become a deterrent to war and that it might increasingly become an important carrier of the people and the commerce of the world.