- David Syme Research Prize (1905 - ), Faculty of Science
- Davies, William (1895 - 1966), Organic chemist
- de Bavay, Auguste Joseph Francois (1856 - 1944), Bacteriologist and Chemist
- Department of Chemical Engineering (1950 - ), Faculty of Engineering
- Department of Chemistry
- see School of Chemistry (1886 - )
- Department of Computation (1964 - 1971), Faculty of Science
- Department of Computer Science (1976 - 1999)
- Department of Computer Science and Software Engineering (1999 - ), Faculty of Engineering
- Department of Dietetics (1960 - 1969), Faculty of Applied Science
- Department of French and German for Science Students, Faculty of Science
- Department of Genetics (1964 - ), Faculty of Science
- Department of Geology (1900 - 1980), Faculty of Science
- Department of Geology and Mineralogy (1900 - 1968), Faculty of Science
- Department of History and Philosophy of Science (1951 - ), Faculty of Arts
- Department of Information Science (1971 - 1976), Faculty of Science
- Department of Information Systems (1995 - ), Faculty of Science
- Department of Languages (Science Courses), Faculty of Science
- Department of Mathematics (1966 - 1995), Faculty of Science
- Department of Mathematics and Statistics (1996 - ), Faculty of Science
- Department of Metallurgical Research, The Baillieu Laboratory (1945 - )
- Department of Meteorology (1940 - 1992), Faculty of Science
- Department of Natural Philosophy (1882 - 1944), Faculty of Science
- Department of Optometry (1970 - 1995), Faculty of Science
- Department of Optometry and Vision Sciences (1996 - ), Faculty of Science
- Department of Physical Education (1976 - ), Faculty of Science
- Department of Physics
- see School of Physics (1945 - ), Faculty of Science
- Department of Science Languages ( - c. 1970), Faculty of Science
- Department of Statistics (1948 - 1995), Faculty of Science
- Department of Zoology (1920 - ), Faculty of Science
- The Dixson Final Honour Scholarships, The Dixson Research Scholarships
- see Dixson Scholarships, The (1890 - )
- Dixson Scholarships, The (1890 - )
- Dooley, James Creswell (Jim) (1919 - ), Geophysicist
- Dr Buch
- see Buchanan, Gwynneth Vaughan (1886 - 1945), Zoologist
- Drinnan, Andrew Neil
- Ducker, Sophie Charlotte (1909 - ), Botanist
- Dunkin, Henry Haughton (1909 - ), Mining engineer
- Dyason, Diana Joan (1919 - 1989), Science historian and Medical historian
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