John Mannion, Representative for New York
- Born – July 1968 in Syracuse, New York
- Education – B.S., Binghamton University; M.S., State University of New York at Oswego
- Military Service – None
- Profession – Educator, biology teacher, politician
- Political Experience – County Executive of Nassau County, New York State Senate
- In office since – 2025
- Family – Married to Jennifer Brady, 3 children
- Religious Affiliation – Catholic
