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 |
|---|---|---|---|---|
| Brian J. Mast | R | US House of Representatives | Florida | 2025 |
| Doris O. Matsui | D | US House of Representatives | California | 2025 |
| Lucy McBath | D | US House of Representatives | Georgia | 2025 |
| Sarah McBride | D | US House of Representatives | Delaware | 2025 |
| Michael T. McCaul | R | US House of Representatives | Texas | 2025 |
| Lisa C. McClain | R | US House of Representatives | Michigan | 2025 |
| April McClain Delaney | D | US House of Representatives | Maryland | 2025 |
| Jennifer L. McClellan | D | US House of Representatives | Virginia | 2025 |
| Tom McClintock | R | US House of Representatives | California | 2025 |
| Betty McCollum | D | US House of Representatives | Minnesota | 2025 |
| Mitch McConnell | R | US Senate | Kentucky | 2025 |
| David McCormick | R | US Senate | Pennsylvania | 2025 |