See main article: 1790 and 1791 United States Senate elections.
| Election Name: | United States Senate election in Delaware, 1790 |
| Country: | Delaware |
| Type: | presidential |
| Ongoing: | No |
| Previous Election: | 1788 and 1789 United States Senate elections#Delaware |
| Previous Year: | 1788 |
| Elected Mps: | Class 1 Senator |
| Next Election: | 1795 United States Senate special election in Delaware |
| Next Year: | 1795 |
| Election Date: | October 23, 1790 |
| Image1: | GeorgeRead.gif |
| Nominee1: | George Read |
| Party1: | Pro-Administration Party (United States) |
| Electoral Vote1: | 30 |
| Percentage1: | 100% |
| U.S. Senator | |
| After Election: | George Read |
| After Party: | Pro-Administration Party |
The United States Senate election in Delaware for 1790 was held on October 23, 1790. George Read was elected unanimously by the state legislature.