D – Talare och moderatorer
- Dahlia Rezai
- Dambisa Moyo
- Damon Hill
- Dan Cobley
- Dan Hasson
- Danica Kragic Jensfelt
- Daniel Ewerman
- Daniel Hallberg
- Daniel Hegborn
- Daniel Rahman
- Daniel Sieberg
- Daniel Skavén Ruben
- Dave Dee
- David Batra
- David Blake
- David Coulthard
- David Eberhard
- David Eberhard
- David Ek
- David Gram
- David Hanson
- David Hempleman- Adams O.B.E.
- David Jacoby
- David JP Phillips
- David Rowan
- David Stiernholm
- David Ståhlberg
- David Sundin
- David T. Weaver
- Deborah Mühlrad
- Degmo Daar
- Deqa Abukar
- Donnie SC Lygonis
- Dorie Clark
- Dr. Hannah Fry
- Dr. Parag Khanna
- Dr. Rana Al-Falaki
- Dragomir Mrsic
- Dumma människor
- Duncan Bannatyne
- Duncan Wardle