Dennis Geert Bernardus Johan Dieks (born 1 June 1949, in Amsterdam) is a Dutch physicist and philosopher of physics.
In 1982 he proved the no-cloning theorem (independently discovered in the same year by William Wootters and Wojciech H. Zurek). In 1989 he proposed a new interpretation of quantum mechanics, later known as a version of the modal interpretation of quantum mechanics. He also worked on the philosophy of space and time, the logic of probabilistic reasoning, and the theory of explanation. Dieks is a professor at Utrecht University and a member of the Royal Netherlands Academy of Arts and Sciences since 2008. He is co-editor of the journal Studies in the History and Philosophy of Modern Physics.
- D. Dieks, "Communication by EPR devices", Physics Letters A 92 (1982) 271–272.
- D. Dieks, "Resolution of the Measurement Problem Through Decoherence of the Quantum State", Physics Letters A 142 (1989) 439-444.
- Dennis Dieks and Pieter E. Vermaas, eds., The Modal Interpretation of Quantum Mechanics, Kluwer Academic Publishers, 1998.
- "Dennis Dieks" (in Dutch). Royal Netherlands Academy of Arts and Sciences. Retrieved 13 July 2015.