1980 U.S. Open (golf) Third round Third round

| Place | Player | Country | Score | To_par |
|---|---|---|---|---|
| T1 | Isao Aoki | Japan | 68-68-68=204 | –6 |
| T1 | Jack Nicklaus | United States | 63-71-70=204 | –6 |
| 3 | Lon Hinkle | United States | 66-70-69=205 | –5 |
| T4 | Keith Fergus | United States | 66-70-70=206 | –2 |
| T4 | Mark Hayes | United States | 66-71-69=206 | –2 |
| T4 | Tom Watson | United States | 71-68-67=206 | –2 |
| 7 | Craig Stadler | United States | 73-67-69=209 | –1 |
| T8 | Mike Morley | United States | 73-68-69=210 | E |
| T8 | Lee Trevino | United States | 68-73-69=210 | E |
| T10 | Bruce Devlin | Australia | 71-70-70=211 | +1 |
| T10 | Hubert Green | United States | 73-73-65=211 | +1 |
| T10 | Jay Haas | United States | 67-74-70=211 | +1 |
| T10 | Peter Jacobsen | United States | 70-69-72=211 | +1 |
| T10 | Pat McGowan | United States | 69-69-73=211 | +1 |