1956 U.S. Open (golf) First round First round

| Place | Player | Country | Score | To_par |
|---|---|---|---|---|
| 1 | Bob Rosburg | United States | 68 | –2 |
| 2 | Peter Thomson | Australia | 70 | E |
| T3 | Errie Ball | Wales | 71 | +1 |
| T3 | Julius Boros | United States | 71 | +1 |
| T3 | Wes Ellis | United States | 71 | +1 |
| T3 | Doug Ford | United States | 71 | +1 |
| T3 | Ed Furgol | United States | 71 | +1 |
| T3 | Jay Hebert | United States | 71 | +1 |
| T3 | Cary Middlecoff | United States | 71 | +1 |
| T10 | Jerry Barber | United States | 72 | +2 |
| T10 | Al Brosch | United States | 72 | +2 |
| T10 | Dave Douglas | United States | 72 | +2 |
| T10 | Fred Haas | United States | 72 | +2 |
| T10 | E. J. Harrison | United States | 72 | +2 |