John Fryer
John Fryer may refer to:
- John Fryer, English physician, humanist and early reformer
- John Fryer, English physician
- John Fryer , British travel-writer and doctor
- Sir John Fryer, 1st Baronet, Lord Mayor of London
- John Fryer , sailing master on HMS Bounty
- Sir John Fryer , British Army general
- John Fryer , educator, translator, scientist
- Sir John Fryer , English entomologist
- John Denis Fryer, Australian soldier and university student
- John E. Fryer, psychiatrist and gay rights activist
- John Fryer , rock producer