Andrew Stewart (April 6, 1836 – October 18, 1903) was a Republican member of the U.S. House of Representatives from Pennsylvania.

He studied medicine and attended Jefferson Medical College in Philadelphia, Pennsylvania.

He presented credentials as a Republican Member-elect to the Fifty-second Congress and served from March 4, 1891, to February 26, 1892, when he was succeeded by Alexander K. Craig, who contested his election.

He was again an unsuccessful candidate to the same congress to fill the vacancy caused by the death of Alexander Craig.

He died in Stewarton, Springfield Township, Pennsylvania.