John Ray (1627–1705) was an English naturalist.
John Ray may also refer to:
- John Ray (American football) (1926–2007), American football player and coach
- John D. Ray (born 1945), English Egyptologist who deciphered the Carian script
- John H. Ray (1886–1975), New York congressman
- John Ray (Louisiana politician) (1816–1888), Louisiana politician
- John J. Ray III (born 1959), American attorney known for overseeing several high profile bankruptcies
- John L. Ray (born 1943), Washington, D.C., council member
- John Ray (footballer) (born 1968), English footballer
- John Ray, Jr., character in the Vladimir Nabokov novel Lolita