John Clements
John Clements may refer to:
- John Clements (1757–1817), Irish MP and captain HEICS
- John Clements (actor), English actor and producer
- John Clements (Australian politician), Australian politician
- John James Clements, South African Victoria Cross recipient
- John Clements (GC), George Cross recipient
- John Clements (footballer), English footballer
- John R. Clements, president of Davis College
- John Allen Clements, American physician
- John Clements, American director of the Association for Renaissance Martial Arts
- Jack Clements, baseball player