John Piper

John Piper may refer to:
 * John Piper (artist) (1903–1992), English painter, printmaker and designer of stained-glass windows
 * John Piper (broadcaster), BBC radio host
 * John Piper (military officer) (1773–1851), lieutenant-governor of Norfolk Island
 * John Piper (theologian) (born 1946), Calvinist Baptist pastor and author