- Daley, Richard M.
- Daley, William
- Daschle, Tom
- Davis, Clarence
- Davis, Danny K
- Davis, David
- Davis, Dereck E
- Davis, Frank
- Davis, Jefferson B.
- Davis, Jim
- Davis, John
- Davis, Ron
- Davis, Steve
- Davis, Susan A
- Davis, Tom
- Dawson, M Mandy
- Day, John
- Dayton, Mark
- de la Portilla, Alex Diaz
- Dean, Howard
- Delahunt, William D.
- DeLauro, Rosa
- DeLay, Tom
- Delgadillo, Rocky
- Della Jr., George W.
- DeLuca, Louis
- Dembrow, Dana Lee
- Demings, Val
- Dempsey, Tom
- Dent, Charles W.
- Dent, Charlie
- DeStefano, John
- Deutsch, Peter
- DeWine, Mike
- Diaz, Manny
- Diaz, Ruben
- Diaz-Balart, Lincoln
- Diaz-Balart, Mario
- DiNapoli, Thomas P.
- Dingell, John D
- Dinowitz, Jeffrey
- Dixon, Larry
- Dixon, Sheila
- Dodd, Christopher
- Doggett, Lloyd
- Dole, Bob
- Domenici, Pete
- Donovan, Christopher G
- Doolittle, John T
- Doory, Ann Marie
- Dorgan, Byron
- Dorman, Arthur
- Doyle, Dan
- Doyle, John
- Doyle, Patricia
- Doyle, William
- Drake, Thelma
- Dreier, David
- Duane, Thomas K
- Duncan, Arne
- Duncan, Mike
- Dunn, Bill
- Dunn, Jennifer
- Dunn, Jim
- Durbin, Richard
- Dyer, Buddy
- Dyson, Roy P
