- DEXI
- DFFA
- DFFB
- DFNA5
- DFNB31
- DGAT1
- DGAT2
- DGAT2L6
- DGCR14
- DGCR2
- DGCR6
- DGCR6L
- DGCR8
- DGKA
- DGKB
- DGKD
- DGKE
- DGKG
- DGKH
- DGKI
- DGKK
- DGKQ
- DGKZ
- Dharma
- DHCR7
- DHDDS
- DHDH
- DHFRL1
- DHODH
- DHPS
- DHRS1
- DHRS11
- DHRS12
- DHRS13
- DHRS2
- DHRS3
- DHRS4
- DHRS4-AS1
- DHRS4L1
- DHRS4L2
- DHRS7
- DHRS7B
- DHRS7C
- DHRS9
- DHRSX
- DHTKD1
- DHX15
- DHX16
- DHX29
- DHX30
- DHX32
- DHX33
- DHX34
- DHX35
- DHX36
- DHX37
- DHX38
- DHX57
- DHX58
- DHX8
- DHX9
- DIABLO
- DIAPH1
- DIAPH2
- DIAPH3
- Diazepam Binding Inhibitor
- DICER1
- DIDO1
- Dihydrofolate Reductase
- DIMT1
- DIO1
- DIO2
- DIO3
- DIP2A
- DIP2B
- DIP2C
- Dipeptidase E
- Dipk2a
- DIRAS1
- DIRAS2
- DIRAS3
- DIRC1
- DIRC2
- DIS3
- DIS3L
- DIS3L2
- DISC1
- DISP1
- DISP2
- DIXDC1
- DKC1
- DKK1
- DKK2
- DKK3
- DKK4
- DLAT
- DLC
- DLC1
- DLD
- DLEC1