2021 United States elections
|Election day||November 2|
|Net seat change||0|
The 2021 United States elections will be held, in large part, on Tuesday, November 2, 2021. This off-year election includes the regular gubernatorial elections in New Jersey and Virginia. State legislative elections will also be held in New Jersey and the Virginia House of Delegates (the lower house of the Virginia General Assembly). Numerous citizen initiatives, mayoral races, and a variety of other local elections will also occur. Special elections to the United States Congress will take place if vacancies arise.
Two states will hold gubernatorial elections in 2021:
- New Jersey: One-term Democrat Phil Murphy is eligible for re-election. He has not indicated whether he would run for a second-term. Declared Republican candidates include Jack Ciattarelli, with former lieutenant governor Kim Guadagno and businessman and Republican nominee for U.S. Senate in 2018 Bob Hugin among potential candidates.
- Virginia: One-term Democrat Ralph Northam is term-limited in 2021. On December 7, 2018, Mark Herring, the state Attorney General, declared his candidacy.
- Atlanta, Georgia: One-term incumbent Democrat Keisha Lance Bottoms is eligible for reelection.
- Atlantic City, New Jersey: One-term incumbent Democrat Mayor Frank Gilliam is eligible for reelection.
- Boston, Massachusetts: Two-term incumbent Democrat Marty Walsh is eligible for reelection.
- Buffalo, New York: Two-term incumbent Democrat Byron Brown is eligible for reelection.
- Cincinnati, Ohio: Two-term incumbent Democrat John Cranley is ineligible to run due to term limits.
- Cleveland, Ohio: Four-term incumbent Democrat Frank G. Jackson is eligible for reelection.
- Detroit, Michigan: Two-term incumbent Democrat Mike Duggan is eligible for reelection.
- Hoboken, New Jersey: One-term incumbent Democrat Ravinder Bhalla is eligible for reelection.
- Jackson, Mississippi: One-term incumbent Democrat Chokwe Antar Lumumba is eligible for reelection.
- Jersey City, New Jersey: Two-term incumbent Democrat Steven Fulop is eligible for reelection.
- Miami, Florida: One-term incumbent Republican Francis X. Suarez is eligible for reelection.
- Minneapolis, Minnesota: One-term incumbent Democrat Jacob Frey is eligible for reelection.
- New Orleans: One-term incumbent Democrat LaToya Cantrell is eligible for reelection.
- New York City: Two-term incumbent Democrat Bill De Blasio is ineligible to run due to term limits. City Council Speaker Corey Johnson has declared his candidacy. 
- Omaha, Nebraska: Two-term incumbent Republican Jean Stothert is eligible for reelection.
- Pittsburgh, Pennsylvania: Two-term incumbent Democrat Bill Peduto is eligible for reelection.
- Seattle, Washington: One-term incumbent Democrat Jenny Durkan is eligible for reelection.
- St. Louis, Missouri: One-term incumbent Democrat Lyda Krewson is eligible for reelection.
- Friedman, Matt (September 25, 2018). "Murphy fundraiser for Democratic Governors Association expected to raise $2.5M". Politico. Retrieved November 14, 2018.
- Biryukov, Nikita (July 9, 2018). "Beach approves of Murphy, not ready to back re-election bid". New Jersey Globe. Retrieved November 14, 2018.
- Edelstein, Jeff (October 16, 2018). "The Phil Murphy administration is sailing into dangerous waters". The Trentonian. Retrieved November 14, 2018.
- Vozzella, Laura. "State Attorney General Mark Herring to run for Virginia governor in 2021". Washington Post.
- Bishop, Caitlin (May 3, 2018). "Eric Adams Previews Vision for Becoming City's CEO". Gotham Gazette. Retrieved November 14, 2018.
- Johnson, Corey. "Archived copy". Twitter. Archived from the original on 2 February 2019. Retrieved 2 February 2019.CS1 maint: Archived copy as title (link)