Dionizy Smoleński (October 6, 1902 in Łódź – February 8, 1984 in Warsaw) was a specialist in the theory of combustion, explosives, and internal ballistics.
Smoleński was professor at the Wrocław and the Warsaw University of Technology.
Smoleński was a member of Polish Academy of Sciences, and held the post of scientific secretary, then vice-chairman of this organization.
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, Wrocław University of Technology conferred Smoleński with its first honorary doctorate.