Mark B. Messmer

Details

Party Affiliation: Republican
In Office Since: Jan 1, 2025
Organization: United States Federal Government

Federal Roster & Campaign Finance

Bioguide ID: M001233
Chamber: US House
State: IN
District: 8

View Congress.gov roster entry →

Meetings

No relevant meetings found.

Election History

No election history found.

Recent Bills Sponsored

No bills sponsored by Mark B. Messmer are on file.

Recent Votes

Bill	Chamber	Roll call	Vote
Ratepayer Protection Act	house	—	Yea
Retire through Ownership Act	senate	—	Yea
Directing the President, pursuant to section 5(c) of the War Powers Resolution, to remove United States Armed Forces from hostilities with Iran.	house	—	Nay
Stop Insider Trading Act	house	—	Yea
Stop Insider Trading Act	house	—	Nay

Bill title and chamber are the only bill details held for these votes; see Bills for the fuller record. “Roll call” is the upstream roll-call identifier, not a date no vote date is recorded in this dataset.

View full voting record (31 votes) →

Biography

Mark Brian Messmer (born September 21, 1962) is an American politician who has served as the U.S. representative for Indiana's 8th congressional district since 2025. He is a member of the Republican Party. Previously, Messmer served in the Indiana House of Representatives from 2008 to 2014 and the Indiana Senate from 2014 to 2024, serving as majority leader of the chamber from 2018 to 2022. Before that, he previously served on the Holy Family School Board from 2001 to 2004, and as its president from 2003 to 2004. Representing a safe Republican district, Messmer was first elected to Congress in 2024 after winning a crowded Republican primary with 38% of the vote. He is a member of the moderate Republican Governance Group.