| Election Name: | 1984 United States Senate election in Nebraska |
| Country: | Nebraska |
| Type: | presidential |
| Ongoing: | no |
| Previous Election: | 1978 United States Senate election in Nebraska |
| Previous Year: | 1978 |
| Next Election: | 1990 United States Senate election in Nebraska |
| Next Year: | 1990 |
| Election Date: | November 6, 1984 |
| Image1: | 1979 p80 J James Exon.jpg |
| Nominee1: | J. James Exon |
| Party1: | Democratic Party (United States) |
| Popular Vote1: | 332,117 |
| Percentage1: | 51.94% |
| Nominee2: | Nancy Hoch |
| Party2: | Republican Party (United States) |
| Popular Vote2: | 307,147 |
| Percentage2: | 48.02% |
| Map Size: | 300px |
| U.S. Senator | |
| Before Election: | J. James Exon |
| Before Party: | Democratic Party (United States) |
| After Election: | J. James Exon |
| After Party: | Democratic Party (United States) |
The 1984 United States Senate election in Nebraska was held on November 6, 1984. Incumbent Democratic U.S. Senator J. James Exon narrowly won re-election to a second term. This was despite Republican president Ronald Reagan carrying the state with more than 70% of the vote in the concurrent presidential election.