John Anthony William Gardner is a former Australian Liberal politician who represented the seat of Morialta in the South Australian House of Assembly from 2010 until retiring from politics at the 2026 state election. Gardner served as the Minister for Education in the Marshall ministry between March 2018 and March 2022.
- Occupation
- politician, political adviser
- Position held
- Member of the South Australian House of Assembly, Minister for Education
- Citizenship
- Australia