1980 Open Championship Third round Third round

| Place | Player | Country | Score | To_par |
|---|---|---|---|---|
| 1 | Tom Watson | United States | 68-70-64=202 | –11 |
| T2 | Ken Brown | Scotland | 70-68-68=206 | –7 |
| T2 | Lee Trevino | United States | 68-67-71=206 | –7 |
| 4 | Ben Crenshaw | United States | 70-70-68=208 | –5 |
| T5 | Andy Bean | United States | 71-69-70=210 | –3 |
| T5 | Hubert Green | United States | 77-69-64=210 | –3 |
| T7 | Isao Aoki | Japan | 74-74-63=211 | –2 |
| T7 | Sandy Lyle | Scotland | 70-71-70=211 | –2 |
| T7 | Carl Mason | England | 72-69-70=211 | –2 |
| T7 | Gil Morgan | United States | 70-70-71=211 | –2 |
| T7 | Jack Nicklaus | United States | 73-67-71=211 | –2 |
| T7 | Craig Stadler | United States | 72-70-69=211 | –2 |