| Election Name: | 1964 United States Senate election in North Dakota |
| Country: | North Dakota |
| Type: | presidential |
| Ongoing: | no |
| Previous Election: | 1960 United States Senate special election in North Dakota |
| Previous Year: | 1960(special) |
| Next Election: | 1970 United States Senate election in North Dakota |
| Next Year: | 1970 |
| Election Date: | November 3, 1964 |
| Nominee2: | Thomas Kleppe |
| Party2: | Republican Party (United States) |
| Popular Vote2: | 109,681 |
| Percentage2: | 42.36% |
| Image1: | Quentin Burdick.jpg |
| Nominee1: | Quentin Burdick |
| Party1: | North Dakota Democratic-NPL Party |
| Popular Vote1: | 149,264 |
| Percentage1: | 57.64% |
| Map Size: | 250px |
| U.S. senator | |
| Before Election: | Quentin Burdick |
| Before Party: | Democratic–Nonpartisan League Party (North Dakota) |
| After Election: | Quentin Burdick |
| After Party: | Democratic–Nonpartisan League Party (North Dakota) |
The 1964 U.S. Senate election for the state of North Dakota was held November 3, 1964. The incumbent, Dem-NPL Senator Quentin Burdick, sought and received re-election to his second term, defeating Republican candidate Thomas S. Kleppe, who later became the United States Secretary of the Interior.[1]
Only Burdick filed as a Dem-NPLer, and the endorsed Republican candidate was Thomas S. Kleppe, who served two terms as a Representative for North Dakota's second congressional district from 1967 to 1971. Burdick and Kleppe won the primary elections for their respective parties.