The 2020 US Senate Elections were elections that contested 33 Class 2 Senate seats, being held on November 3rd, 2020.
| State | Incumbent | Candidates | Result |
|---|---|---|---|
| Alabama | Doug Jones (D) | Tommy Tuberville (R) | GOP Gain |
| Alaska | Dan Sullivan (R) | Forrest Dunbar (D) | Dem Gain |
| Arizona (Special) | Martha McSally (R) | Mark Kelly (D) | Dem Gain |
| Arkansas | Tom Cotton (R) | ||
| Colorado | Cory Gardner (R) | Kerry Donovan (D) | Dem Gain |
| Delaware | Chris Coons (D) | ||
| Georgia | David Perdue (R) | Stacey Abrams (D) | Dem Gain |
| Idaho | Jim Risch (R) | ||
| Illinois | Dick Durbin (D) | ||
| Iowa | Joni Ernst (R) | ||
| Kansas | Pat Roberts (R) | Incumbent Retired | |
| Kentucky | Mitch McConnell (R) | Amy McGrath (D) | Dem Gain |
| Louisiana | Bill Caissidy (R) | ||
| Maine | Susan Collins (R) | Sara Gideon (D) | Dem Gain |
| Massachusetts | Ed Markey (D) | ||
| Michigan | Gary Peters (D) | ||
| Minnesota | Tina Smith (D) | ||
| Mississippi | Cindy Hyde-Smith (R) | Chris McDaniel (R), Mike Epsy (D) | Incumbent Primaried, GOP Hold |
| Montana | Steve Daines (R) | Wilmot Collins (D) | Dem Gain |
| Nebraska | Ben Sasse (R) | ||
| New Hampshire | Jeanne Shaheen (D) | Kelly Ayotte (R) | GOP Gain |
| New Jersey | Cory Booker (D) | Dem Hold | |
| New Mexico | Tom Udall (D) | Brian Egolf (D) | Incumbent Retired, Dem Hold |
| North Carolina | Thom Tillis (R) | Erica D. Smith (D) | Dem Gain |
| Oklahoma | Jim Inhofe (R) | GOP Hold | |
| Oregon | Jeff Merkley (D) | ||
| Rhode Island | Jack Reed (D) | ||
| South Carolina | Lindsey Graham (R) | ||
| South Dakota | Mike Rounds (R) | ||
| Tennessee | Lamar Alexander (R) | Bill Haslam (R) | Incumbent Retired, GOP Hold |
| Texas | John Cornyn (R) | Beto O'Rourke (D) | Dem Gain |
| Virginia | Mark Warner (D) | ||
| West Virginia | Shelley M. Capito (R) | ||
| Wyoming | Mike Enzi (R) | Liz Cheney (D) | Incumbent Retired, GOP Hold |