1978 U.S. Open (golf) Third round Third round

| Place | Player | Country | Score | To_par |
|---|---|---|---|---|
| 1 | Andy North | United States | 70-70-71=211 | –2 |
| 2 | Gary Player | South Africa | 71-71-70=212 | –1 |
| T3 | J. C. Snead | United States | 70-72-72=214 | +1 |
| T3 | Dave Stockton | United States | 71-73-70=214 | +1 |
| T5 | Seve Ballesteros | Spain | 75-69-71=215 | +2 |
| T5 | Andy Bean | United States | 72-72-71=215 | +2 |
| T5 | Johnny Miller | United States | 78-69-68=215 | +2 |
| T10 | Tom Kite | United States | 73-73-70=216 | +3 |
| T10 | Billy Kratzert | United States | 72-74-70=216 | +3 |
| T10 | Jack Nicklaus | United States | 73-69-74=216 | +3 |