| Election Name: | 1954 United States Senate special election in New Hampshire |
| Country: | New Hampshire |
| Flag Year: | 1931 |
| Type: | presidential |
| Ongoing: | no |
| Previous Election: | 1950 United States Senate election in New Hampshire |
| Previous Year: | 1950 |
| Next Election: | 1956 United States Senate election in New Hampshire |
| Next Year: | 1956 |
| Election Date: | November 2, 1954 |
| Nominee1: | Norris Cotton |
| Party1: | Republican Party (United States) |
| Popular Vote1: | 114,068 |
| Percentage1: | 60.18% |
| Nominee2: | Stanley J. Betley |
| Party2: | Democratic Party (United States) |
| Popular Vote2: | 75,490 |
| Percentage2: | 39.82% |
| Map Size: | 245px |
| U.S. Senator | |
| Before Election: | Robert W. Upton |
| Before Party: | Republican Party (United States) |
| After Election: | Norris Cotton |
| After Party: | Republican Party (United States) |
The 1954 United States Senate special election in New Hampshire took place on November 2, 1954, to elect a U.S. Senator to complete the unexpired term of Senator Charles W. Tobey, who died on July 24, 1953. Former President of the New Hampshire Bar Association Robert W. Upton was appointed on August 14, 1953 by Governor Hugh Gregg to fill the vacancy until a special election could be held.
Upton was defeated in the Republican primary by Congressman Norris Cotton, who went on to defeat Democratic nominee Stanley J. Betley.
Primary elections were held on September 14, 1954.