，观测者- Datta, B.
- datum
- datum pluane
- Daubechies, I.
- Davenport, H.
- Davidenko, D.F.(Давиденко, Д. Ф.)
- Davidenko method of differentiation
- David, F.N.
- David, H.A.
- Davidov, A.Yu.(Давидов, А.Ю.)
- Davies, E.T.
- Davies, T.S.
- Da Vinci, L.(即Leonardo da Vinci)
- Davis, M.D.
- d.c. set (= difference of two convex sets)
- D-dimension
- d-dimensional
- deadbeat
- deadbeat control
- deadbeat controller
- deadbeat function
- dead-end disjunctive normal form
- dead-end test
- dead index
- deadlock