---
type: Candidate
title: "Robert Frank Onder Jr"
description: "U.S. House candidate, MO-03 (2026)"
office: "U.S. House"
state: "MO"
district: "MO-03"
party: "REP"
stance: "challenger"
election_year: 2026
status: "statutory candidate"
committee:
  name: "ONDER FOR CONGRESS"
  id: "C00870238"
ids:
  fec: "H8MO09146"
sources:
  - field: filing
    source: FEC (Federal Election Commission)
confidence: official
tags: [candidate, federal, house, mo]
timestamp: "2026-07-03"
---

# Robert Frank Onder Jr

Republican challenger for U.S. House (MO-03), 2026.

## Campaign Committee

- ONDER FOR CONGRESS (C00870238)

## Source

- filing: FEC (Federal Election Commission)

Federal candidate filing; not yet linked to an officeholder record.