- Disabled American Veterans. Department of Kansas1
- Dixon Media Group, Inc.13
- Doak, Carrier and Associates7
- Doak, Carrier, O'Donnell, and Associates2
- Doak, Shrum and Associates4
- Doak, Shrum, Harris, Carrier, and Devine36
- Doak, Shrum, Harris, Sherman and Donilon2
- Doar, John, 1921-20141
- Dobbin, James C. (James Cochran), 1814-18571
- Dodd, Chris1
- Dodd, Christopher J. (Christopher John), 1944-3
- Dodd, Thomas J. (Thomas Joseph), 1907-19713
- Doerner, H. A. (Henry Alfred), 1889-17
- Doi, Masato3
- Dole Foundation27
- Dole, Elizabeth Hanford10
- Dole, Robert J., 1923-2021203
- Domenici, Pete1
- Dominick, Peter H. (Peter Hoyt), 1915-19811
- Dominy, Floyd E.1
