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 |
|---|---|---|---|---|
| Donald Norcross | D | US House of Representatives | New Jersey | 2025 |
| Ralph Norman | R | US House of Representatives | South Carolina | 2025 |
| Eleanor Holmes Norton | D | US House of Representatives | District of Columbia | 2025 |
| Zachary Nunn | R | US House of Representatives | Iowa | 2025 |
| Barack Obama | — | — | — | — |
| Jay Obernolte | R | US House of Representatives | California | 2025 |
| Alexandria Ocasio-Cortez | D | US House of Representatives | New York | 2025 |
| Andrew Ogles | R | US House of Representatives | Tennessee | 2025 |
| Johnny Olszewski, Jr. | D | US House of Representatives | Maryland | 2025 |
| Ilhan Omar | D | US House of Representatives | Minnesota | 2025 |
| Robert F. Onder, Jr. | R | US House of Representatives | Missouri | 2025 |
| Jon Ossoff | D | US Senate | Georgia | 2025 |