- Daley, Brian
- Daniels, Karen
- David, Peter
- Davidson, Avram
- Day, Jonathan
- Denning, Troy
- de Pierres, Marianne
- Diane Duane and Peter Morwood
- Dick, Philip K
- Dickson, Gordon R.
- Disch, Thomas M.
- Dix, Shane
- Doctorow, Cory
- Doyle, Debra and MacDonald, James D.
- Drago, Ty
- Drake, David
- Duncan, Dave
- Dunn, Linda
- Dyson, George
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