Petrus Antonius (Piet) Verheyen (born 14 November 1931, in Alphen, North Brabant) is a Dutch economist, and Emeritus Professor of Econometrics at the Tilburg University.
Verheyen received his Ph.D in 1962 from the Tilburg University with a thesis entitled "Economie en techniek : beschouwingen over de technische coëfficiënten, de groeifactor en het kapitaalrendement in de theoretische economie" under supervision of Dirk B.J.
Schouten.In 1963 Verheyen was appointed Professor at the Tilburg University, Department of Economics.
He had a special interest in the application of computers in business, and with Max Euwe and Jan Willem van Belkum published the 1968 book "Computer en onderneming".
Among his doctoral students were Wim van Hulst (1973), Theo Bemelmans (1976)and Arnoud Boot (1987).