John Avery McIlhenny (1867–1942) was an American businessman, soldier, politician and civil servant. He was the eldest son of Tabasco sauce inventor Edmund McIlhenny.
- Occupation
- politician
- Position held
- member of the Louisiana House of Representatives, member of the State Senate of Louisiana
- Citizenship
- United States
- Born
- 1867
- Died
- November 8, 1942
