---
type: Candidate
title: "Billy Mawhiney"
description: "U.S. House candidate, SD-00 (2026)"
office: "U.S. House"
state: "SD"
district: "SD-00"
party: "DEM"
stance: "open-seat"
election_year: 2026
status: "statutory candidate"
committee:
  name: "BILLY FOR CONGRESS"
  id: "C00917351"
ids:
  fec: "H6SD01133"
sources:
  - field: filing
    source: FEC (Federal Election Commission)
confidence: official
tags: [candidate, federal, house, sd]
timestamp: "2026-07-03"
---

# Billy Mawhiney

Democratic open-seat for U.S. House (SD-00), 2026.

## Campaign Committee

- BILLY FOR CONGRESS (C00917351)

## Source

- filing: FEC (Federal Election Commission)

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