Below are List of world’s billionaire:
- Dermot Desmond – Billionaire
- Dennis Washington – Billionaire
- Denise DeBartolo York – Billionaire
- Denise Coates – Billionaire
- Denis O'Brien – Billionaire
- Demetrio Carceller Coll – Billionaire
- Dean Metropoulos – Billionaire
- David Thomson – Billionaire
- David Tepper – Billionaire
- David Teoh – Billionaire
- David Sun – Billionaire
- David Siegel – Billionaire
- David Shou-Yeh Wong – Billionaire
- David Shaw – Billionaire
- David Rubenstein – Billionaire
- David Rockefeller – Billionaire
- David Penaloza Alanis – Billionaire
- David Nahmad – Billionaire
- David McMurtry – Billionaire
- David Lichtenstein – Billionaire
- David Koch – Billionaire
- David Kabiller – Billionaire
- David Hindawi – Billionaire
- David Harding – Billionaire
- David Hains – Billionaire
- David H. Murdock – Billionaire
- David Green – Billionaire
- David Gottesman – Billionaire
- David Geffen – Billionaire
- David Filo – Billionaire
- David Einhorn – Billionaire
- David Duffield – Billionaire
- David Consunji – Billionaire
- David Cheriton – Billionaire
- David Booth – Billionaire
- David Bonderman – Billionaire
- David and Simon Reuben – Billionaire
- David & Frederick Barclay – Billionaire
- Daryl Katz – Billionaire
- Darwin Deason – Billionaire
- Dariusz Miłek – Billionaire
- Dannine Avara – Billionaire
- Danil Khachaturov – Billionaire
- Daniela Herz – Billionaire
- Daniel Tsai – Billionaire
- Daniel S. Loeb – Billionaire
- Daniel Roullier & family – Billionaire
- Daniel Pritzker – Billionaire
- Daniel Och – Billionaire
- Daniel Och – Billionaire
- Daniel Mate – Billionaire
- Daniel M. Ziff – Billionaire
- Daniel Kretinsky – Billionaire
- Daniel Gilbert – Billionaire
- Dan T. Cathy – Billionaire
- Dan Snyder – Billionaire
- Dan Olsson – Billionaire
- Dan Gertler – Billionaire
- Dan Friedkin – Billionaire
- Dan and Farris Wilks – Billionaire
- Dan and Farris Wilks – Billionaire
- Daisy Igel – Billionaire
- Dagmar Dolby & family – Billionaire
- D. Leopoldo Del Pino y Calvo-Sotelo – Billionaire
- Cyrus Poonawalla – Billionaire
- Cui Lijie – Billionaire
- Cui Genliang – Billionaire
- Craig McCaw – Billionaire
- Clive Calder – Billionaire
- Clifford Asness – Billionaire
- Clemmie Spangler – Billionaire
- Clement Fayat & family – Billionaire
- Clemens Toennies – Billionaire
- Clelia Haji-Ioannou – Billionaire
- Clay Riddell – Billionaire
- Clay Mathile – Billionaire
- Ciputra – Billionaire
- Chung Yong-jin – Billionaire
- Chung Mong-koo – Billionaire
- Chung Mong-joon – Billionaire
- Chung Eui-Sun – Billionaire
- Chua Thian Poh – Billionaire
- Chu Mang Yee & family – Billionaire
- Chu Lam Yiu – Billionaire
- Chu Jinfu – Billionaire
- Christy Walton – Billionaire
- Christopher Goldsbury – Billionaire
- Christoph Zeller – Billionaire
- Christoph Henkel – Billionaire
- Christoph Blocher – Billionaire
- Christoffel Wiese – Billionaire
- Christine Volkmann – Billionaire
- Christian Oetker – Billionaire
- Christian Latouche – Billionaire
- Chris Sacca – Billionaire
- Chris Hohn – Billionaire
- Chris Cline – Billionaire
- Choo Chong Ngen – Billionaire
- Cho Yang-Rai – Billionaire
- Cho Tak Wong – Billionaire