Ulrich Grigull (12 March 1912 – 20 October 2003) was a German engineer.

[1] After graduating from the Stadtgymnasium in Königsberg, Grigull studied mechanical engineering at the Technische Hochschule Danzig from 1930.

After the war, Grigull first worked as an engineer and consultant for various companies in the chemical and textile industries.

In 1961, Grigull was appointed to succeed Ernst Schmidt at the Institute of Thermodynamics at the Technical University of Munich.

He was co-founder and, until his death, co-editor of the International Journal of Heat and Mass Transfer and co-founder of the journal Heat and Mass Transfer.