What is John Piper?
'''John Piper''' could mean: * [[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), Reformed pastor and author {{hndis|Piper, John}}