| Sport: | Water polo |
| Birth Date: | 4 November 1933 |
| Birth Place: | Hawthorne, California, United States |
Norman William "Bill" Dornblaser (born November 4, 1933) is an American water polo player who competed in the 1952 Summer Olympics.
He was born in Hawthorne, California. Dornblaser graduated from El Segundo High School.
Dornblaser was a member of the American water polo team which finished fourth in the 1952 tournament. He played seven matches.