John Sampson
John Sampson may refer to:
- John Sampson, Constable of Stirling Castle
- John Sampson (linguist), Irish linguist
- John Sampson (musician), Scottish musician
- John A. Sampson, American gynecologist and medical researcher
- John H. Sampson, professor of surgery, biomedical engineering, immunology, and pathology
- John J. Sampson, American lawyer and professor
- John L. Sampson, New York state senator
- John Patterson Sampson, African American abolitionist, newspaper publisher, journalist, lawyer, judge, and minister
- John Sampson (character), fictional character in James Patterson's Alex Cross novel series
- John Sampson (North Carolina politician), American Revolutionary military officer, government official, and politician
- John Sampson (footballer), Australian rules footballer