John Gerrard
John Gerrard or Gerard may refer to:
- John Gerard, English herbalist
- John Gerard , English Jesuit priest
- John Gerard , Royalist during the English Civil War
- John Gerrard, American Baptist preacher and church founder, after whom Gerrardstown, West Virginia is named
- John Gerrard , British police officer
- Jon Gerrard, Canadian politician and doctor
- John M. Gerrard, American judge
- John Gerrard , Irish artist