Arthur Earl Humphrey (born November 9, 1927) is an American chemical engineer. He received the John Fritz Medal in 1997. He was President of the American Institute of Chemical Engineers from 1990 to 1991. He is also a former provost and vice president of Lehigh University, serving from 1980 to 1987. Humphrey was born in Moscow, Idaho and attended the University of Idaho, the Massachusetts Institute of Technology and Columbia University (PhD 1953 in Chemical Engineering). He has taught at the University of Pennsylvania and Lehigh University.