| Election Name: | United States House of Representatives election in Delaware, 1802 |
| Country: | Delaware |
| Type: | presidential |
| Ongoing: | No |
| Previous Election: | United States House of Representatives election in Delaware, 1800 |
| Previous Year: | 1800 |
| Next Election: | United States House of Representatives election in Delaware, 1804 |
| Next Year: | 1804 |
| Election Date: | October 9–20, 1802 |
| Image1: | Rodneycaesara3.jpg |
| Nominee1: | Caesar Augustus Rodney |
| Party1: | Democratic-Republican Party |
| Popular Vote1: | 3,421 |
| Percentage1: | 50.11% |
| Nominee2: | James A. Bayard Sr. |
| Party2: | Federalist Party |
| Popular Vote2: | 3,406 |
| Percentage2: | 49.89% |
| U.S. Representative | |
| Before Election: | James A. Bayard Sr. |
| Before Party: | Federalist Party |
| After Election: | Caesar Augustus Rodney |
| After Party: | Democratic-Republican Party |
The Delaware United States House election for 1802 was held from October 9–20, 1802. The incumbent Representative James A. Bayard Sr. was defeated by the former state representative Caesar Augustus Rodney with 50.11% of the vote and 15 votes.
| County | Rodney# | Rodney% | Bayard# | Bayard% | Total votes cast | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Kent | 943 | 44.80% | 1,162 | 55.20% | 2,105 | ||||||
| New Castle | 1,664 | 70.18% | 707 | 29.82% | 2,371 | ||||||
| Sussex | 814 | 34.62% | 1,537 | 65.38% | 2,351 | ||||||
| Totals | 3,421 | 50.11% | 3,406 | 49.89% | 6,827 |