| de la Fuente, Ricardo | U.S. Senate | FL | Democratic | 1 |
| de la Fuente, Ricardo | U.S. House | TX | Democratic | 1 |
| de la Fuente, Ricardo | U.S. House | FL | Democratic | 1 |
| de la Fuente, Roque III | President | US | Democratic | 1 |
| de la Fuente, Roque Rocky | President | US | Republican | 1 |
| de la Fuente, Roque Rocky | U.S. Senate | RI | Republican | 1 |
| de la Isla, Michelle | U.S. House | KS | Democratic | 1 |
| Delaney, April McClain | U.S. House | MD | Democratic | 1 |
| Delaney, Dan Mr | U.S. House | NJ | Libertarian | 1 |
| Delaney, John K. | President | US | Democratic | 1 |
| de la Torre, Chris Merrill Mr. Sr. | President | US | W | 1 |
| de la Torre, John Farmer | U.S. House | MO | Democratic | 1 |
| Delauro, Rosa L | U.S. House | CT | Democratic | 1 |
| Delbene, Suzan K | U.S. House | WA | Democratic | 1 |
| Del Castello, Eve | U.S. House | CA | Republican | 1 |
| de Leon, Kevin | U.S. Senate | CA | Democratic | 1 |
| Delgado, Antonio | U.S. House | NY | Democratic | 1 |
| Delgado, Antonio | U.S. House | CA | Republican | 1 |
| Delgado, Jimmy Dr | President | US | Democratic | 1 |
| Delgado, Jorge | U.S. House | MD | Republican | 1 |
| Delia, Thomas Christopher Mr | U.S. House | FL | Republican | 1 |
| Delices, Patrick | U.S. House | NY | Republican | 1 |
| Delices, Patrick | U.S. House | NY | Republican | 1 |
| Delices, Patrick | U.S. House | NY | Republican | 1 |
| Della Pia, Max | U.S. House | NY | Democratic | 1 |
| Delle, Peter J. Mr | U.S. House | CA | Democratic | 1 |
| Dellicker, Kevin | U.S. House | PA | Republican | 1 |
| Dellinger, Marcus | U.S. House | NC | Republican | 1 |
| Del Moore, Nicholas D | U.S. Senate | PA | Democratic | 1 |
| de Lotto, Mark Louis Mr. | U.S. House | NJ | Democratic | 1 |
| Del Rio, Martin | U.S. Senate | IN | Democratic | 1 |
| Del Rosal Isais, Luisa Maria | U.S. House | TX | Republican | 1 |
| de Luca, Francis X. | U.S. House | NC | Republican | 1 |
| de Luca, Gaetano Rocco Patrizio Mr. Cp | President | US | W | 1 |
| de Luca, Rocco | U.S. House | CA | Democratic | 1 |
| Deluz, Craig | U.S. House | CA | Republican | 1 |
| Deluzio, Christopher | U.S. House | PA | Democratic | 1 |
| Deluzio, Mark | U.S. House | AZ | Republican | 1 |
| Demaio, Carl | U.S. House | CA | Republican | 1 |
| Demaio, Carl | U.S. House | CA | Republican | 1 |
| Demapan, Angel Aldan | U.S. House | MP | Republican | 1 |
| Demarco, Christian John I Sr | President | US | BMP | 1 |
| Demarco, Samuel III | U.S. House | PA | Republican | 1 |
| Demartino, James | U.S. Senate | DE | Republican | 1 |
| Deming, Robert L III | U.S. House | MS | Republican | 1 |
| Demings, Val | U.S. Senate | FL | Democratic | 1 |
| Demings, Valdez 'Val' | U.S. House | FL | Democratic | 1 |
| Dempsey, Brad | U.S. House | CO | Republican | 1 |
| Dename, Michael Jr | President | US | NNE | 2 |
| Dename, Michael Tony Michael Jr | President | US | AMP | 2 |
| Denardis, Lesley | U.S. House | CT | Republican | 1 |
| Denenberg, David W | U.S. House | NY | Democratic | 1 |
| de Neufville, Peter | U.S. House | NJ | Republican | 1 |
| Denham, Jeff | U.S. House | CA | Republican | 2 |
| Dennehy, Edward Leo III | U.S. House | NY | Independent | 1 |
| Denney, Audrey L | U.S. House | CA | Democratic | 1 |
| Dennis, John | U.S. House | CA | Republican | 2 |
| Dennis, John Mr. | U.S. House | CA | Republican | 1 |
| Dennison, Jeremy Todd | U.S. House | MO | Republican | 1 |
| Dennis, Shakeba Lacole Ms | President | US | NPA | 1 |
| Denotter, Matthew | U.S. House | MI | Republican | 1 |
| Dent, Charles Wieder | U.S. House | PA | Republican | 1 |
| Dent, Mark | U.S. House | OH | Democratic | 1 |
| Dent, Marques Mr. | U.S. House | MD | Democratic | 1 |
| Denton, Jake | U.S. House | VA | Democratic | 1 |
| Depalma, Raffaele Santino | U.S. House | MA | Democratic | 1 |
| Depaolis, Giuliano Giovanni | U.S. House | CA | NPA | 1 |
| Depasquale, Eugene | U.S. House | PA | Democratic | 1 |
| Depaul, Monica Paige | U.S. House | FL | Democratic | 1 |
| Dependahl, Sam John | President | US | UN | 1 |
| Depizzo, Chris | U.S. House | OH | Republican | 1 |
| Depuy, Kevin C Gysgt | U.S. Senate | FL | Republican | 1 |
| Derby, David | U.S. House | OK | Republican | 1 |
| Derks, Ryan | U.S. House | MO | Republican | 1 |
| Desantis, Edward J | U.S. House | PA | Democratic | 1 |
| Desantis, Mario | U.S. House | NJ | Democratic | 1 |
| Desantis, Ron | President | US | Republican | 2 |
| Desaulnier, Mark | U.S. House | CA | Democratic | 1 |
| Deshefy, Gregory Scott | U.S. House | CT | Green | 1 |
| Desira, James | U.S. House | NY | Independent | 1 |
| Desjarlais, Scott Hon. | U.S. House | TN | Republican | 2 |
| Despain, Monique | U.S. House | OR | Republican | 1 |
| Desposito, Anthony P | U.S. House | NY | Republican | 2 |
| de Stefano, Stefano | U.S. Senate | TX | Republican | 1 |
| Destin, Joseph J | U.S. Senate | NV | NPA | 1 |
| Desuasido, Ivan-Jan Cruz Mr. | President | US | Green | 1 |
| Desvignes, Elfreda | U.S. House | GA | Republican | 2 |
| Detch, Matthew Paul | U.S. House | WV | Democratic | 1 |
| Detemple, Clifford James | U.S. House | WI | Republican | 1 |
| Deters, Brian | U.S. House | IL | Democratic | 1 |
| Deters, Eric | U.S. House | KY | Republican | 1 |
| Detmer, Mike | U.S. House | MI | Republican | 1 |
| Detora, Anthony | U.S. Senate | VA | Republican | 1 |
| Deutch, Theodore Eliot | U.S. House | FL | Democratic | 1 |
| Deutsch, Chaim | U.S. House | NY | Democratic | 1 |
| Devaughan, Taysha | U.S. House | VA | Democratic | 1 |
| Devaughn, Cad | President | US | IAP | 1 |
| Devaughn-Goodwin, Alfeia Devaughn-Good | U.S. House | PA | Republican | 2 |
| Dever, Adam | President | US | Independent | 1 |
| Devine, John P | U.S. Senate | MA | Independent | 1 |
| Devito, Michael Jr | U.S. House | NY | Democratic | 1 |
| Devoe, Marion Sr. | U.S. House | VA | Democratic | 1 |
| Devoe, Rick | U.S. House | MN | DFL | 1 |
| Devolder-Santos, George Anthony | U.S. House | NY | Republican | 4 |
| Devoll, Robert Dell | President | US | IDP | 1 |
| Devore, Robert Lewis Mr. Jr. | U.S. House | KY | Republican | 1 |
| Devor, Thomas Christian Mr. | U.S. House | TX | Republican | 1 |
| Dewell, Ben | U.S. House | CA | Democratic | 1 |
| Dewick, Kyle | President | US | Independent | 2 |
| Dewitt, Justin | U.S. House | LA | Democratic | 1 |
| Dexter, Maxine | U.S. House | OR | Democratic | 1 |
| Dhahir, Adnan | U.S. House | IN | Democratic | 1 |
| Diacogiannis, Jeremiah David | U.S. House | TX | Republican | 1 |
| Diamond, Ben | U.S. House | FL | Democratic | 1 |
| Diangelus, Jean Rochelle Chelle | U.S. House | FL | Republican | 1 |
| Dias, Christopher Lee | President | US | Independent | 1 |
| Diaz-Balart, Mario | U.S. House | FL | Republican | 1 |
| Diaz, Dennis A | President | US | Independent | 1 |
| Diaz, John Edward | President | US | Independent | 1 |
| Diaz, Lizbeth | U.S. House | TX | Republican | 1 |
| Diaz, Ruben Rev. Sr | U.S. House | NY | Democratic | 1 |
| Dibono, Matthew C | U.S. House | NY | Democratic | 1 |
| Dibs, Nicholas (Nick) | U.S. House | CA | Independent | 1 |
| Dickens, James (J.D.) | U.S. House | HI | Republican | 1 |
| Dickerson, Cameron D. | U.S. House | VA | Democratic | 2 |
| Dickerson, John Martin | U.S. Senate | IN | Democratic | 1 |
| Dickinson, Gerald | U.S. House | PA | Democratic | 1 |
| Dickinson, Michael | U.S. House | VA | Republican | 1 |
| Dickinson, Michael Robert Dr. | U.S. House | VA | Republican | 1 |
| Dickinson, Spencer E | U.S. House | RI | Democratic | 1 |
| Dicks, Norman D | U.S. House | WA | Democratic | 1 |
| Dickson, Gary A | U.S. House | NY | Republican | 1 |
| Dickson, Simone | President | US | OTH | 1 |
| Diegel, Christian | U.S. Senate | AZ | Republican | 1 |
| Diehl, Abigail | U.S. House | MD | Democratic | 1 |
| Diehl, Geoff | U.S. Senate | MA | Republican | 1 |
| Diel, Kevin Bradford 1983 | President | US | Independent | 1 |
| Diemand, Larry L | U.S. House | OH | Democratic | 1 |
| Diemer, Matthew | U.S. House | OH | Democratic | 2 |
| Diener, Ann | U.S. Senate | AK | Democratic | 1 |
| Dieppa, Jose Arnaldo Mr | U.S. House | FL | Independent | 1 |
| Dietrich, George Wayne II | President | US | Democratic | 1 |
| Dietrich, George Wayne Mr. II | President | US | Democratic | 1 |
| Dietzen, Chuck Dr. | U.S. House | IN | Republican | 1 |
| Diganvker, Jitendra Jd | U.S. House | IL | Republican | 1 |
| Diggs, Wanda Lynne | President | US | UNK | 1 |
| Dightman, Douglas | U.S. House | WA | Republican | 1 |
| Dikeman, Neal Monroe | U.S. Senate | TX | Libertarian | 1 |
| Dilizia, Anthony Adelino Mr. | U.S. House | CT | Democratic | 1 |
| Dilks, Paul E | U.S. House | NJ | Republican | 1 |
| Dillard Smith, Maya | U.S. Senate | GA | Democratic | 1 |
| Dillingham, Thomas Wayne | U.S. Senate | TX | Republican | 1 |
| Dillon, Brett Allen Rev. Dr. | President | US | Independent | 1 |
| Dillon, Patrick | U.S. House | WA | NPA | 1 |
| Dimmock, Aaron | U.S. House | FL | Republican | 1 |
| Dimsdale, Timothy Sammons | President | US | ICD | 2 |
| Dina, Dominick Andrew Sr. | U.S. House | TX | Republican | 1 |
| Dingell, Debbie | U.S. House | MI | Democratic | 1 |
| Dinicola, Ronald A. Mr. | U.S. House | PA | Democratic | 1 |
| Di Paola, John | U.S. House | OR | Republican | 1 |
| Dir, Hope Elaine | President | US | Republican | 1 |
| Dirisio, Dana | U.S. House | NJ | Republican | 1 |
| Disanto, Delina | U.S. House | AZ | Democratic | 1 |
| Dismukes, Will | U.S. House | AL | Republican | 1 |
| Disney, Gary Dennis | President | US | AMP | 1 |
| Dixon, Arthur | U.S. House | TX | Democratic | 1 |
| Dixon, Danielle Delouise | President | US | Independent | 1 |
| Dixon, David Mr. | U.S. House | NC | Republican | 1 |
| Dixon, Gregg Marcel | U.S. House | SC | Democratic | 1 |
| Dixon, Michael Joseph | President | US | OTH | 1 |
| Dixon, Nate Dr. | U.S. Senate | SC | NPA | 1 |
| Dixon, Peter | U.S. House | CA | Democratic | 1 |
| Djou, Charles K | U.S. House | HI | Republican | 1 |
| Doane, Raymon Anthony | U.S. House | CO | Libertarian | 1 |
| Doane, Raymon Anthony | U.S. Senate | CO | Libertarian | 1 |
| Dobson, Caroleene | U.S. House | AL | Republican | 1 |
| Doctora, Joseph S Dr. | U.S. House | TN | Republican | 1 |
| Doctor, Jerome | President | US | Democratic | 1 |
| Dodd, Christopher J | U.S. Senate | CT | Democratic | 1 |
| Dodd, Doug | U.S. House | OK | Democratic | 1 |
| Dodds, Philip Benjamin | U.S. House | FL | Democratic | 1 |
| Dodenhoff, Alexander | U.S. House | NY | Republican | 1 |
| Dodge, Danelle | U.S. House | FL | Democratic | 1 |
| Dodson, David | U.S. Senate | WY | Republican | 1 |
| Doggett, Lloyd | U.S. House | TX | Democratic | 1 |
| Doglio, Beth | U.S. House | WA | Democratic | 2 |
| Doheny, Matthew A | U.S. House | NY | Republican | 2 |
| Doherty, Alexandra Jane | U.S. House | GA | Democratic | 1 |
| Dolan, Martin William Mr | U.S. House | NY | Democratic | 1 |
| Dolan, Matt | U.S. Senate | OH | Republican | 2 |
| Dolan, Matthew | President | US | Independent | 1 |
| Dold, Robert James Jr | U.S. House | IL | Republican | 2 |
| Dolin, Christopher Randall | President | US | Democratic | 1 |
| Domenici, Nella Louise Louise | U.S. Senate | NM | Republican | 1 |
| Dominguez, Elijah Anthony Mr. | President | US | Republican | 1 |
| Dominguez, Juan | U.S. House | MD | Democratic | 1 |
| Dominick, Robin | U.S. House | MO | Libertarian | 1 |
| Donahue, Alicia | U.S. House | MN | DFL | 1 |
| Donahue, Lindsay | U.S. House | MD | Democratic | 1 |
| Donahue, Michael | U.S. House | IL | Democratic | 1 |