John A. Smith

John A. Smith may refer to:


 * John Abel Smith (1802–1871), British Member of Parliament
 * John Alexander Smith (1863–1939), British philosopher
 * John Ambler Smith (1847–1892), American politician from Virginia
 * John Armstrong Smith (1814–1892), American politician from Ohio
 * John A. Smith (Mississippi politician) (1847–1910), American state senator in Mississippi