Dionizy Smolenski (October 6, 1902 in Lódz – February 8, 1984 in Warsaw) was a specialist in the theory of combustion, explosives, and internal ballistics.
Smolenski was professor at the Wroclaw and the Warsaw University of Technology.
He was also rector of those universities, in 1951–1960 and 1965–1969, respectively.
Smolenski was a member of Polish Academy of Sciences, and held the post of scientific secretary, then vice-chairman of this organization.
During the Nazi occupation of Poland, he was an officer of the Home Army, vice-chief of arming of the Supreme Command of the Home Army.
He was also a member of Sejm of the Polish People's Republic in years 1957–1961 and in again during 1969–1972.
In 1961, Wroclaw University of Technology conferred Smolenski with its first honorary doctorate.