John Wickham
John Wickham may refer to:
- John Wickham , British brigadier, on List of British generals and brigadiers
- John Wickham , 18th-century American attorney
- John A. Wickham, Jr., 20th-century American general
- John Clements Wickham, 19th-century British ship captain, later a police magistrate in Brisbane, Queensland, Australia
- John L. C. Wickham, Western Australian Supreme Court judge
- John Wickham, 1927–2017
- John Wickham Rhodes
- John Wickham Legg, English physician and theologian
- John Wickham Flower, British solicitor, amateur geologian
- John Wickham Steeds, British physicist
- John Wickham Griffith, English cleric
- Henry John Wickham, English cleric
- John Wickham House, building of 1812
- John Wickham, print by Max Rosenthal, 1917, Cleveland Museum of Art
- John Wickham Barnes, F.R.C.S., L.S.A, scientific article, 1899