John Peacock may refer to:
- Joe Peacock, born "John", England international footballer
- John Peacock (piper) (c.1756–1817), a player of the Northumbrian Smallpipes, probable author of the earliest printed book of music for the instrument
- John Peacock (songwriter) (died 1867) South Shields born poet and songwriter
- John Peacock (footballer), Scottish footballer
- John Peacock (footballer born 1956), manager of the England national under-17 football team
- John Thomas Peacock (1827–1905), New Zealand politician
- Johnny Peacock, baseball catcher
- Jonnie Peacock (born 1993), paralympic sprint runner
Famous quotes containing the word peacock:
“Marriage may often be a stormy lake, but celibacy is almost always a muddy horsepond.”
—Thomas Love Peacock (1785–1866)