John B. Smith

John B. Smith may refer to:


 * John B. Smith (Washington politician), American politician
 * John B. Smith (Wisconsin politician), American politician
 * John Baptist Smith (1843–1923), Confederate States Army officer
 * John Benjamin Smith (1796–1879), British politician
 * John Bernhardt Smith (1858–1912), American entomologist
 * John Blair Smith (1764–1799), president of Union College
 * John Brown Smith (1837–?), American anarchist
 * John Butler Smith (1838–1914), American politician