•
John Ferguson (Ferguson bequest) (1787–1856), Scottish businessman and philanthropist, founder of the Ferguson bequest •
John Ferguson (clergyman) (1852–1925), New Zealand born Australian Presbyterian minister •
John Calvin Ferguson (1866–1945), Canadian-born American sinologist and educator •
John Errol Ferguson (1948–2013), American serial killer and mass murderer •
John Ferguson (organist) (1941–2025), American organist, composer, and professor • Sir
John Ferguson (police officer) (1891–1975), English chief constable •
John Ferguson (musician) (born 1978), American composer and performer, and member of The Apples in Stereo •
John Ferguson (priest) (died 1902), Anglican Dean of Moray, Ross and Caithness •
John Howard Ferguson (1838–1915), judge in Louisiana • John Ferguson (born 1943), real name of gambling author and Blackjack Hall of Famer
Stanford Wong •
John H. Ferguson (1915–1970), American lawyer and U.S. ambassador • John H. Ferguson, defendant in the landmark American judicial case
Plessy v. Ferguson •
John Ferguson (chemist) (1838–1916), Scottish chemist and bibliographer •
John Alexander Ferguson (1881–1969), New Zealand-born Australian lawyer, judge, book collector, and author •
John Thomas Ferguson (born 1941), Canadian real estate developer and chancellor of the University of Alberta •
John DeLancey Ferguson, American writer and academic •
John Macpherson Ferguson, Royal Navy admiral •
John Ferguson, a play by playwright
St. John Greer Ervine •
John Ferguson (classicist) (1921–1989), Manchester-born British writer, classicist, lay preacher; held senior posts at University of Ibadan, Nigeria, Open University, Selly Oak Colleges, Birmingham == See also ==