| Election Name: | 1972 United States Senate election in Idaho |
| Country: | Idaho |
| Type: | presidential |
| Ongoing: | no |
| Previous Election: | 1966 United States Senate election in Idaho |
| Previous Year: | 1966 |
| Next Election: | 1978 United States Senate election in Idaho |
| Next Year: | 1978 |
| Election Date: | November 7, 1972 |
| Image1: | File:Jimmcclure.jpg |
| Nominee1: | James McClure |
| Party1: | Republican Party (United States) |
| Popular Vote1: | 161,804 |
| Percentage1: | 52.26% |
| Nominee2: | Bud Davis |
| Party2: | Democratic Party (United States) |
| Popular Vote2: | 140,915 |
| Percentage2: | 45.52% |
| Map Size: | 250px |
| U.S. Senator | |
| Before Election: | Leonard B. Jordan |
| Before Party: | Republican Party (United States) |
| After Election: | James McClure |
| After Party: | Republican Party (United States) |
The 1972 United States Senate election in Idaho took place on November 7, 1972. Incumbent Republican Senator Leonard B. Jordan did not run for re-election. Republican U.S. Representative James A. McClure was elected to succeed him over Democrat Bud Davis.