| Election Name: | 1964 United States Senate election in New Jersey |
| Country: | New Jersey |
| Flag Year: | 1896 |
| Type: | Presidential |
| Ongoing: | no |
| Previous Election: | 1958 United States Senate election in New Jersey |
| Previous Year: | 1958 |
| Next Election: | 1970 United States Senate election in New Jersey |
| Next Year: | 1970 |
| Election Date: | November 3, 1964 |
| Image1: | Harrison Williams(D-NJ).jpg |
| Nominee1: | Harrison A. Williams |
| Party1: | Democratic Party (United States) |
| Popular Vote1: | 1,677,515 |
| Percentage1: | 61.91% |
| Party2: | Republican Party (United States) |
| Popular Vote2: | 1,011,280 |
| Percentage2: | 37.32% |
| Map Size: | 280px |
| U.S. Senator | |
| Before Party: | Democratic Party (US) |
| After Party: | Democratic Party (US) |
The 1964 United States Senate election in New Jersey was held on November 3, 1964. Incumbent Democrat Harrison A. Williams defeated Republican nominee Bernard M. Shanley with 61.91% of the vote.
Primary elections were held on April 21, 1964.[1] Both candidates were unopposed.