| Election Name: | 1940 Nebraska lieutenant gubernatorial election |
| Country: | Nebraska |
| Type: | presidential |
| Ongoing: | no |
| Previous Election: | 1938 Nebraska lieutenant gubernatorial elections |
| Previous Year: | 1938 |
| Next Election: | 1942 Nebraska lieutenant gubernatorial election |
| Next Year: | 1942 |
| Election Date: | November 5, 1940 |
| Nominee1: | William E. Johnson |
| Party1: | Republican Party (United States) |
| Popular Vote1: | 330,313 |
| Percentage1: | 60.2% |
| Nominee2: | William H. Diers |
| Party2: | Democratic Party (United States) |
| Popular Vote2: | 218,161 |
| Percentage2: | 39.8% |
| Lieutenant Governor | |
| Before Election: | William E. Johnson |
| Before Party: | Republican Party (United States) |
| After Election: | William E. Johnson |
| After Party: | Republican Party (United States) |
The 1940 Nebraska lieutenant gubernatorial election was held on November 5, 1940, and featured incumbent Nebraska Lieutenant Governor William E. Johnson, a Republican, defeating Democratic nominee and Speaker of the Nebraska Legislature William H. Diers.