Republican David Schweikert is the incumbent. Ballotpedia lists 10 candidates vying for the Democratic nomination. The primary is July 30.

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Republican Juan Ciscomani is the incumbent. Ballotpedia lists Kirsten Engel, Jack O'Donnell and Vieri Tenuta as candidates vying for the Democratic nomination. The primary is July 30.

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Harder, who is vying for this fourth term in the House, finished atop the state's March 5 top-two primary system in which voters cast ballots for the top two candidates regardless of party affiliation. He got about 53 percent of the vote and will face Republican Kevin Lincoln II, who received about 29 percent of the vote.

Gray, who has served as a state assemblyman for a decade, finished second in the state's March 5 top-two primary system in which voters cast ballots for the top two candidates regardless of party affiliation. He got 46 percent of the vote and will face incumbent Republican John Duarte, who received 54 percent of the vote. This is a rematch of the 2022 election.

Salas, who served in the state assembly from 2012 through 2022, came in second in the state's March 5 top-two primary system in which voters cast ballots for the top t candidates regardless of party affiliation. He received about 31 percent of the vote to Republican U.S. Rep. David Valadao's 33 percent.

Whitesides, a former NASA chief of staff and former CEO of Virgin Galactic,  finished second in the state's March 5 top-two primary system in which voters cast is ballots for the top two candidates regardless of party affiliation. He got 31 percent of the vote and will face the top vote-getter, incumbent Republican U.S. Rep. Mike Garcia, who received 57 percent of the vote.

Rollins, who worked for the U.S. Department of Justice, finished second in the state's March 5 top-two primary system in which voters cast ballots for the top two candidates regardless of party affiliation. Rollins received 41 percent of the vote to Republican incumbent Rep. Ken Calvert's 50 percent. This will be a rematch of the 2022 race that Calvert won by 4.6 percentage points.

Tran, who is a consumer rights attorney and U.S. Army veteran, is challenging incumbent GOP Rep. Michelle Steel in the November general election. In the state's March 5 top-two primary system in which voters cast ballots for the top two candidates regardless of party affiliation, Tran received about 16 percent of the vote, second to Steel's 55 percent of the vote.

A member of the state Senate since 2020, Min, who previously was a law professor at University of California at Irvine, is vying for the seat that is currently being held by Democrat Katie Porter. Porter lost a U.S. Senate nominee and opted not to run for her congressional seat again. Min finished second in the state's March 5 top-two primary system in which voters cast ballots for the top two candidates regardless of party affiliation. He received 26 percent of the vote below Republican Scott Baugh's 33 percent. They will face off in the Nov. 5 general election.

Titus, who's been a member of the U.S. House for about 15 years, is running unopposed in the June 11 Democratic primary to represent the district that she has served since 2013. A former professor of political science,  Levin is also a former member of the Nevada Senate. 

Lee, who has represented her district in the U.S. House since 2019, is facing opponent RockAthena Brittain in the June 11 primary, according to Ballotpedia. The seat was once held by Jacky Rosen who was elected to the U.S. Senate.

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Businessman Horsford, who has represented his congressional district since 2019 and from 2013-2015, faces Levy Shultz in the June 11 Democratic primary, according to Ballotpedia.

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Suozzi, who once held his congressional seat before giving it up two years ago to run for an unsuccessful bid as governor of New York, won a Feb. 13 special election to fill the seat after George Santos was expelled by the U.S. House.  He is running for a full two-year term but will face several opponents in the June 25 primary, according to Ballotpedia.

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Republican Anthony D'Esposito is the incumbent. There are a half a dozen candidates running in the June 25 primary, according to Ballotpedia. 

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Republican Mike Lawler is the incumbent. In the June 25 Democratic primary, candidates MaryAnn Carr and Mondaire Jones are vying to face Lawler in the general election, according to Ballotpedia.

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Incumbent Ryan is running for a second term in the House. According to Ballotpedia, he is facing Alexander Saulino in the June 25 Democratic primary. 

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Republican Marc Molinari is the incumbent. There are four candidates listed in the June 25 Democratic primary vying to face Molinari, according to Ballotpedia.

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Republican Brandon Williams is the incumbent. There are five candidates listed in the June 25 Democratic primary vying to face Williams, according to Ballotpedia.

PLEASE NOTE: They See Blue does not endorse candidates in primaries There is no link to the candidate's website below.

A former public school teacher, Landsman was unopposed in the March 19 primary. He's vying for his second two-year term in the House. He will face Republican Orlando Sonza in the Nov. 5 general election.

A member of the House since 1983, Kaptur ran unopposed in the March 19 primary. She is the longest-serving woman in congressional history. She will face Republican Derek Merrin in the Nov. 5 general election.

Sykes, who was elected in 2023 to the seat once held by Tim Ryan, is vying for a second term in the House. She ran unopposed in the March 19 Democratic primary and will face Republican candidate Kevin Coughlin and another candidate in the general election. Sykes served in the Ohio House of Representatives before her congressional election.

Wild, who has been a member of the House since 2018, is running unopposed in the April 23 Democratic primary. 

Attorney Cartwright, who has been in Congress since 2019, is running unopposed in the April 23 Democratic primary.  In the November general election, he will likely face Rob Bresnahan Jr., who is also running unopposed in the GOP primary. 

A former U.S. Navy officer and attorney Deluzio, who is vying for a second term in the House, is running unopposed in the April 23 Democratic primary. In the November general election, he will likely face Rob Mercuri, who appears to be running unopposed in the GOP primary.