Heinz Werner Engl (born 28 March 1953) is an Austrian mathematician who served as the rector of the University of Vienna.

He studied at the Johannes Kepler University of Linz, where he earned an engineering diploma in technical mathematics in 1975, a doctorate in 1977,[1] and a habilitation in 1979.

His research in this period concerned inverse problems in applied mathematics, with students including Barbara Kaltenbacher.

With Martin Hanke and Andreas Neubauer he is the author of the book Regularization of Inverse Problems (Mathematics and its Applications 375, Kluwer Academic Publishers, 1996).

Heinz Engl is married and, according to his own statement, grandfather of Eleon Engl-Misirlisoy, the New Year's baby 2020 of the US capital Washington D.C.[9]