| Harold Newhart | |
| Full Name: | Harold Guthrie Newhart |
| Country: | United States |
| Birth Date: | 19 July 1903 |
| Birth Place: | Parkersburg, West Virginia, U.S. |
| Death Place: | Oxford, Ohio, U.S. |
| Discipline: | MAG |
| Show-Medals: | yes |
Harold Guthrie Newhart (July 19, 1903 – March 31, 1977) was an American gymnast. He was a member of the United States men's national artistic gymnastics team and competed in seven events at the 1928 Summer Olympics.[1]