John Piper

John Piper may refer to:

• John Piper (author) (born 1953), English author and market analyst
• John Piper (artist) (1903–1992), English painter and printmaker
• John Piper (broadcaster), BBC radio host
• John Piper (military officer) (1773–1851), lieutenant-governor of Norfolk Island
• John Piper (theologian) (born 1946), Calvinistic Baptist pastor and author