| Election Name: | 1802 United States House of Representatives election in Delaware |
| Country: | Delaware |
| Type: | presidential |
| Ongoing: | No |
| Previous Election: | 1800 United States House of Representatives election in Delaware |
| Previous Year: | 1800 |
| Next Election: | 1804 United States House of Representatives election in Delaware |
| 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 1802 United States House of Representatives election in Delaware 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 |