George Winchester Barnwell (August 22, 1888 – May 26, 1958) was an American electrical engineer, Professor of Production Practice at the Stevens Institute of Technology, and recipient of the Taylor Key award in 1937,[1][2] presented for conspicuous service.

In World War I Barnwell served in the U.S. Army at the 75th Field Artillery Brigade, where he was commissioned a first lieutenant in August 1917.

In 1921 he was appointed an instructor in Electrical Engineering at Swarthmore College, and continued his studies obtained his M.A.

In 1929 he moved to the Stevens Institute of Technology in Hoboken, where he would spend the rest of his career until his retirement in June, 1948.

In 1941 he was also put in charge of the work of shop practice at the Stevens Institute of Technology.