Skip to content
LocateCongress
Official portrait of Mark Messmer, U.S. Representative for Indiana's 8th District

Mark Messmer

U.S. Representative for Indiana's 8th District

Republican · Since 2025 · Next election: 2026 · Age 58

Official name: Mark B. Messmer

Last updated · 7 sources

Mark Messmer is the U.S. Representative for Indiana's 8th District, a Republican serving since 2025.

Messmer has served in the House longer than 11 of its 438 other members and longer than 0 of Indiana's 8 other House members.

Messmer sits on 3 committees: Agriculture, Armed Services, and Education and Workforce.

In the House's last 30 days in session (May 19 – Oct 2, 2026), Messmer voted in 139 of 139 roll calls (100%). In that period, 45 bills Messmer sponsored or cosponsored had new actions.

Messmer has filed with the FEC to run for this seat in 2026. 2 candidates for the seat have reported receipts to the FEC.

This week (Sep 28 – Oct 4, 2026)

Full schedule →

House: pro forma sessions Mon and Thu

Votes

All of them →

Voted in 139 of 139 roll calls (100%), May 19 – Oct 2, 2026.

Messmer voted with the majority of House Republicans on 138 roll calls and against it on 1.

Votes against the party majority

Mark Messmer's most recent votes against the party majority and missed votes
DateVoteQuestionResultMark MessmerNote
Jul 22No. 276On Agreeing to the Amendment H.R. 8800FailedNayMost House Republicans: Yea

Legislation

17 bills sponsored and 229 cosponsored in the 119th Congress

  • H.R. 7008 Stop Insider Trading Act

    Cosponsor · Latest action Sep 30, 2026: Cloture on the motion to proceed to the measure not invoked in Senate by Yea-Nay Vote. 53 - 47. Record Vote Number: 253.

    This bill generally prohibits Members of Congress and their spouses and dependent children from purchasing stocks and requires public notice before these individuals may sell stocks.

  • H.R. 10577 To prioritize the finalization of design requirements for new Ready Reserve Force vessels, and for other purposes.

    Sponsor · Latest action Sep 24, 2026: Referred to the House Committee on Armed Services.

  • H.R. 10556 VA Hiring Integrity Act of 2026

    Cosponsor · Latest action Sep 24, 2026: Referred to the House Committee on Veterans' Affairs.

Campaign finance

Raised
$1,171,366
Spent
$664,972
Cash on hand
$713,500

2026 election cycle, through Jun 30, 2026 · FEC H4IN08249

Indiana senators

  • Official portrait of Jim Banks, U.S. Senator for Indiana
    Jim Banks

    U.S. Senator for Indiana · Republican

  • Official portrait of Todd Young, U.S. Senator for Indiana
    Todd Young

    U.S. Senator for Indiana · Republican

All 11 members of Congress from Indiana →

Sources