| Election Name: | 1952 United States Senate election in New Jersey |
| Country: | New Jersey |
| Flag Year: | 1896 |
| Type: | presidential |
| Ongoing: | no |
| Previous Election: | 1946 United States Senate election in New Jersey |
| Previous Year: | 1946 |
| Next Election: | 1958 United States Senate election in New Jersey |
| Next Year: | 1958 |
| Election Date: | November 4, 1952 |
| Image1: | Howardalexandersmith.jpg |
| Nominee1: | H. Alexander Smith |
| Party1: | Republican Party (US) |
| Popular Vote1: | 1,286,782 |
| Percentage1: | 55.51% |
| Party2: | Democratic Party (US) |
| Popular Vote2: | 1,011,187 |
| Percentage2: | 43.62% |
| Map Size: | 280px |
| Senator | |
| Before Party: | Republican Party (US) |
| After Party: | Republican Party (US) |
The United States Senate election of 1952 in New Jersey was held on November 4, 1952.
Incumbent Republican Senator H. Alexander Smith was re-elected to a second term against Undersecretary of the Army Archibald S. Alexander. Both men were residents of Princeton.
As of 2023, this is the last time the Republicans won the Class 1 Senate seat in New Jersey or simultaneously held both seats in the state.