Augustus "Gus" Kinzel was an American metallurgical engineer.
He graduated at age eighteen from Columbia College, and earned a PhD in metallurgical engineering from the University of Nancy in France. He worked for Union Carbide and Carbon, eventually becoming the vice president for research. He served as chief consultant in metallurgy on the Manhattan Project. After retiring from Union Carbide, he served as president of the Salk Institute of Biological Science. He was also made founding president of the National Academy of Engineering.