Group
- Dave Graham / Battle Game Sports and Hobbies1
- David M. Ewalt1
- David Millians2
- David Niecikowski, PhD9
- Dawn Xiana Moon1
- DawnforgedCast2
- Day 207
- Day Dreamer Interactive2
- Days of Wonder324
- Dayton Regional Aerodrome Group70
- Dead Alive Games69
- Dead Ant Games6
- Dead Aussie Gamer2
- Dead Box Games3
- Dead Box games2
- Dead Cyclops Gamers2
- Dead Games Society58
- Dead Gentlemen Productions28
- Dead Tree Games12
- Dead Tree Studios2