Thomas S. Butler (November 4, 1855-May 26, 1928) was a U.S. Representative from Pennsylvania, serving from March 4, 1897 until his death, having been elected to the House sixteen times. Thomas S. Butler was also the father of the famous Marine Corps General Smedley D. Butler.
Born in Uwchland Township, Chester County, Pennsylvania, he attended the common schools, West Chester State Normal School, and Wyerâ€™s Academy in West Chester. He later studied law, was admitted to the bar in 1877, and commenced practice in West Chester. From 1885 to 1889 and again in 1927-1928 he served as trustee of the West Chester State Normal School. Butler was appointed judge of the fifteenth judicial district of Pennsylvania in 1888 and stood as an unsuccessful candidate for reelection in 1889. He was a delegate to the Republican National Convention in 1892.
Elected to Congress in his first term as an Independent Republican, he was elected as a Republican for each succeeding term. While in Congress, he was chairman of the Committee on Pacific Railroads (Fifty-ninth through Sixty-first Congresses) and member of the Committee on Naval Affiars (Sixty-sixth through Seventieth Congresses).
Butler died in office and was buried in Oaklands Cemetery, West Chester, Pennsylvania.