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R Republican · U.S. House 1, Indiana · Nov 3, 2026

Barb
Regnitz

Republican nominee Barb Regnitz challenges incumbent Frank Mrvan for Indiana's 1st Congressional District seat in 2026.

Background

Barb Regnitz is the Republican nominee challenging Democratic incumbent Frank J. Mrvan for Indiana's 1st Congressional District in the November 2026 general election. 3 She currently serves as a Porter County Commissioner, a seat she won in 2022. 3

Before entering politics, Regnitz worked as a software engineer and project manager at United Airlines, and later became a Certified Financial Planner and financial advisor. 3 She is a Purdue University graduate with degrees in mathematics and German, and studied abroad at the University of Freiburg in Germany. 3

Regnitz lives in Valparaiso, Indiana with her husband. 1 Her campaign emphasizes local representation and community-driven involvement. 14

At a glance

Party
Republican
Running for
U.S. House · District 1, Indiana
Election
Nov 3, 2026
Current office
Porter County Commissioner
Website
barbregnitzforcongress.com(opens in a new tab)

Where they stand

Each position links to the page it was drawn from. Quotes are verbatim.

Timeline

  1. Date unknown
    filing
    FEC filings show Regnitz raised ~$2.38M, mostly from personal loans, as of June 30

    A campaign-finance summary based on FEC filings reported Regnitz's cycle receipts at approximately $2.38 million, of which about $2.14 million came from personal loans and roughly $233,000 from other contributions. As of June 30, she had $1.80 million cash on hand and $2.0 million in debt. These figures are from a secondary source, not a direct FEC filing review.

    Barb Regnitz (R) – IN-01 House 2026 | Smarter.Vote · Sep 27, 2026 (opens in a new tab)
  2. Oct 6
    news
    Early voting begins in Indiana; Regnitz and Mrvan listed as IN-01 general election candidates

    Early voting began in Indiana ahead of the November 3 general election. Barb Regnitz (R) and incumbent Frank Mrvan (D) are listed as the candidates for Indiana's 1st Congressional District.

    Early voting begins for Indiana's general election. What to know. · Oct 6, 2026 (opens in a new tab)
  3. Oct 3
    news
    Regnitz profiled: Trump and Johnson endorsements, campaign priorities outlined

    The Post-Tribune reported that Regnitz holds endorsements from President Donald Trump and House Speaker Mike Johnson. She cited affordability, public safety, and health as priorities, and expressed support for the Working Families Tax Cuts including tax relief for tips, overtime, and Social Security recipients. She was unable to immediately answer follow-up questions on gas prices, the Iran war, local utility bills, and legislation affecting local law enforcement.

    Mrvan, Regnitz facing off for Northwest Indiana U.S. Congress seat · Oct 3, 2026 (opens in a new tab)
  4. Jul 1
    endorsement
    NRCC adds Regnitz to its MAGA Majority program

    The National Republican Congressional Committee added Barb Regnitz to its MAGA Majority program, signaling national Republican support for her campaign against incumbent Frank Mrvan. Her platform emphasizes border enforcement, reduced federal spending and debt, law enforcement, and restrictions on mail-in voting.

    All 9 Indiana congressional seats are contested. Here's who's running. · Oct 9, 2026 (opens in a new tab)

Endorsements

  • International Union of Operating Engineers (IUOE) Local 150 union
    Listed Regnitz for U.S. House District 1 in its 2026 Indiana primary endorsement document; the PDF does not show a publication date. local150.org
  • Maggie's List organization
    Endorsement announcement appeared in August 2026; candidate page confirms endorsement but does not specify a date. maggieslist.org
  • Rep. Erin Houchin official
    Endorsement statement reproduced in candidate-profile aggregation. civoren.com · Oct 5, 2026
  • Sen. Jim Banks official
    Endorsement statement reproduced in candidate-profile aggregation; also listed by Maggie's List as an endorser. civoren.com · Oct 5, 2026
  • Rep. Marlin Stutzman official
    Endorsement statement reproduced in candidate-profile aggregation. civoren.com · Oct 5, 2026
  • Sen. Todd Young official
    Endorsement statement reproduced in candidate-profile aggregation; also listed by Maggie's List as an endorser. civoren.com · Oct 5, 2026
  • Rep. Rudy Yakym official
    Endorsement statement reproduced in candidate-profile aggregation. civoren.com · Oct 5, 2026
  • Lisa McClain, House Republican Conference Chair official
    Part of joint endorsement statement with House Republican leadership. x.com · Jul 13, 2026
  • Tom Emmer, House Majority Whip official
    Part of joint endorsement statement with House Republican leadership. x.com · Jul 13, 2026
  • Mike Johnson, Speaker of the House official
    Joint statement with other House Republican leaders: 'We are proud to ENDORSE Barb Regnitz for Indiana's 1st District.' x.com · Jul 13, 2026
  • Donald Trump, President of the United States official
    Trump issued his 'Complete and Total Endorsement' via Truth Social; Regnitz acknowledged it on X the same day. trumpstruth.org · Jul 13, 2026
  • Steve Scalise, House Majority Leader official
    Part of joint endorsement statement with House Republican leadership. x.com · Jul 13, 2026
  • Log Cabin Republicans PAC organization
    Included Regnitz in its third slate of endorsed candidates for the 2026 election cycle. logcabin.org · May 26, 2026

Campaign finance

Totals filed with the Federal Election Commission for the 2026 election cycle.

Raised
$2.38M
Spent
$576K
Cash on hand
$1.80M

As of Jun 30, 2026. Filings are periodic, so recent money may not be included yet. ↳ FEC record H6IN01231(opens in a new tab)

Sources 15

  1. [1] All 9 Indiana congressional seats are contested. Here's who's running.(opens in a new tab) Oct 9, 2026
  2. [2] Early voting begins for Indiana's general election. What to know.(opens in a new tab) Oct 6, 2026
  3. [3] Barb Regnitz — U.S. Representative (Indiana, District 1 ...(opens in a new tab) Oct 5, 2026
  4. [4] Mrvan, Regnitz facing off for Northwest Indiana U.S. Congress seat(opens in a new tab) Oct 3, 2026
  5. [5] Barb Regnitz (R) – IN-01 House 2026 | Smarter.Vote(opens in a new tab) Sep 27, 2026
  6. [6] Election 2026: Indiana's First Congressional District Race(opens in a new tab) Sep 7, 2026
  7. [7] Donald J. Trump: "It is my Great Honor to endorse Porter County Commissioner, Barb Regnitz, wh... - Trump’s Truth(opens in a new tab) Jul 13, 2026
  8. [8] Mike Johnson on X(opens in a new tab) Jul 13, 2026
  9. [9] Steve Scalise on X(opens in a new tab) Jul 13, 2026
  10. [10] [PDF] IUOE LOCAL 150 ENDORSED CANDIDATES(opens in a new tab) May 26, 2026
  11. [11] Log Cabin Republicans PAC Announces Third Round of Endorsements - Log Cabin Republicans(opens in a new tab) May 26, 2026
  12. [12] Barb Regnitz - Maggie's List(opens in a new tab) May 11, 2026
  13. [13] U.S. Rep. District 1 candidates discuss inflation, Iran, and SAVE Act(opens in a new tab) Apr 30, 2026
  14. [14] [PDF] 1 PORTER COUNTY BOARD OF COMMISSIONERS SPECIAL ...(opens in a new tab) Apr 23, 2026
  15. [15] Barb Regnitz — official campaign website(opens in a new tab)
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