Leaving office January 1, 2027.Did not run for re-election in 2026. This page switches to the former-officeholder layout when the term ends.
RepublicanIn office until January 1, 2027

Cindy O'Laughlin

Missouri State Senator, District 18 since 2018. Did not run for re-election in 2026; leaves office in January 2027.

Missouri State Senator, District 18

In office
7 yrs
Since 2018
Bills became law
0
9 sponsored, 2025–2026 session
Last margin
+51.6
Won 2022

Source: Wikidata, congress-legislators and Open States; 99chambers legislative recordsUpdated Oct 27, 2026, 9:43 AM ET

Committees

As of 2026-10.

  • Administration · chair
  • Gaming Select · chair
  • Gubernatorial Appointments · chair
  • Rules, Joint Rules, Resolutions and Ethics · vice chair
  • Select Committee on Government Modernization and Transformation · vice chair
  • Capitol Security

Source: Open States committeesUpdated Oct 27, 2026, 9:43 AM ET

Legislation

2025–2026 session · 9 sponsored · 0 became law

No bills in this list for the 2025–2026 session.

Source: Open States billsUpdated Nov 6, 2026, 4:22 PM ET

Career

Offices held, and every time O'Laughlin was on a ballot. Filled marks are general elections won; hollow marks are primaries; an orange outline is a loss.

Source: 99chambers results archive (MEDSL, Klarner, state election offices)

Elections

Margin against the seat’s presidential baseline: how the seat voted for president in the same or nearest year.

YearRaceResultMargin
2022Missouri State Senate, District 18WonR+51.6
2018Missouri State Senate, District 18WonR+40.6

Source: 99chambers results archive

Seats O'Laughlin has held

Source: 99chambers results archive

Who O'Laughlin has run against

  • Ayanna Shivers (D) · 2022 general, won
  • Crystal Stephens (D) · 2018 general, won

Source: 99chambers results archive

How we know O'Laughlin

One person, matched across every source we use.

Source: Identity links: Wikidata, congress-legislators, Open States, FECUpdated Oct 27, 2026, 9:43 AM ET