David Paton is an Australian politician who has served as the member for Ngadjuri in the South Australian House of Assembly since 21 March 2026. A member of One Nation, he won his seat in the 2026 state election. He has served as Deputy Mayor of the Adelaide Plains Council since 28 October 2024.
Paton is the first member of One Nation to be elected to the House of Assembly, and the first to be elected to any Australian state or territory lower house outside of Queensland.
Paton was first elected to the Adelaide Plains Council in the 2022 South Australian local elections with 5.9% of the vote. He was appointed as Deputy Mayor in 2024 and reappointed in 2025. Paton described his time in local government as being focused on "reducing unnecessary expenditure" for ratepayers.