John Whitehead may refer to:
- John Whitehead (theologian), 15th-century Irish theologian
- John Whitehead (architect) (1726–1802), English architect and amateur engineer, designer of the Feitoria Inglesa
- John Whitehead (physician) (1740–1804), English physician and lay preacher; biographer of John Wesley
- John Whitehead (explorer) (1860–1899), British explorer
- J. H. C. Whitehead (1904–1960), British mathematician
- John B. Whitehead (1872–1954), American electrical engineer and a professor at Johns Hopkins University
- John L. Whitehead Jr. (1924–1992), American military and test pilot
- John Whitehead (singer) (1948–2004), American singer and one-half of the duo McFadden & Whitehead
- John M. Whitehead (soldier) (1823-1909), American chaplain and Medal of Honor recipient
- John W. Whitehead, constitutional attorney and conservative author, founder of the Rutherford Institute in 1982