Konrad-Duden Prize () is a German linguistics award presented by the City of Mannheim in cooperation with the Duden publisher (Bibliographisches Institut). It honours individuals with special merits in the research and public understanding of the German language. The prize is endowed with €12,500 and is awarded every three years (formerly awarded more frequently).
The prize is awarded by the Mannheim city council on the recommendation of a prize committee () and is not open to applications.
Aksel Kipper (5 November 1907 – 25 September 1984) was an Estonian astrophysicist and academician, known for theoretical work on the continuous spectra of planetary nebulae and for his role in establishing the modern Tartu Observatory at Tõravere.
Ain-Elmar Kaasik (2 August 1934 – 30 January 2026) was an Estonian neurologist and neurosurgeon who was a professor at the University of Tartu. He was a member of the Estonian Academy of Sciences from 1993 and served as its vice-president from 2004 to 2009.
Michael Heltzer (1 May 1928 – 6 June 2010) was an Estonian-born Israeli orientalist and historian of the Ancient Near East. He served as a professor of Ancient Near Eastern history at the University of Haifa and was a long-term visiting lecturer/professor at the University of Tartu's Faculty of Theology. In 1998, the University of Tartu awarded him an honorary doctorate in theology, and in 2001 he received Estonia's Order of the White Star, 4th Class.