Members of Congress across both chambers. Every profile links back to its public source — no data appears without provenance.
| Name | Party | Chamber | State | In office since |
|---|---|---|---|---|
| Suzan K. DelBene | D | US House of Representatives | Washington | 2025 |
| Christopher R. Deluzio | D | US House of Representatives | Pennsylvania | 2025 |
| Scott DesJarlais | R | US House of Representatives | Tennessee | 2025 |
| Maxine Dexter | D | US House of Representatives | Oregon | 2025 |
| Mario Diaz-Balart | R | US House of Representatives | Florida | 2025 |
| Debbie Dingell | D | US House of Representatives | Michigan | 2025 |
| Lloyd Doggett | D | US House of Representatives | Texas | 2025 |
| Byron Donalds | R | US House of Representatives | Florida | 2025 |
| Troy Downing | R | US House of Representatives | Montana | 2025 |
| Tammy Duckworth | D | US Senate | Illinois | 2025 |
| Neal P. Dunn | R | US House of Representatives | Florida | 2025 |
| Richard J. Durbin | D | US Senate | Illinois | 2025 |