2020 United States House of Representatives election in Delaware

The 2020 United States House of Representatives election in Delaware was held on November 3, 2020, to elect the U.S. representative from Delaware's at-large congressional district. The election coincided with the 2020 U.S. presidential election, as well as other elections to the House of Representatives, elections to the United States Senate and various state and local elections. The Democratic and Republican primaries was held on September 15, 2020.

Incumbent Democratic Congresswoman Lisa Blunt Rochester ran for re-election to a third term. She was re-elected with 64.5% of the vote in 2018.

The Republican nominee was Lee Murphy, a private citizen who worked for most of his life at Amtrak as a conductor and manager. Murphy had also worked as an actor and had appeared in Netflix's House of Cards.

Nominee

 * Lisa Blunt Rochester, incumbent U.S. representative

Declined

 * Scott Walker, Republican nominee for Delaware's at-large congressional district in 2018 (ran for Governor as a Republican)

Nominee

 * Lee Murphy, actor and candidate for Delaware's at-large congressional district in 2018

Eliminated in primary

 * Matthew Morris, sales consultant

Nominee

 * David L. Rogers

Declared

 * Catherine S. Purcell, college student and pro-Trump activist