Stephen Baker may refer to:Stephen Baker, football player Stephen Baker (1921–2004), animal behaviorist and humorist of Austrian origin Stephen Baker, former South Australian House of Assembly politician Stephen Baker, American banker and president of the Bank of the Manhattan Company Stephen Baker (1819–1875), U.S. representative Stephen D. Baker, colonel in the 6th New York Heavy Artillery Regiment (1862–1865) Stephen L. Baker, journalist and author of the non-fiction book The Numerati