Abraham Herr Smith (March 7, 1815 – February 16, 1894) was an American politician who served as a Republican member of the U.S. House of Representatives for Pennsylvania's 9th congressional district from 1873 to 1885.

His parents died when he was eight years old and he was raised by his paternal grandparents.

After completing his law studies, he was admitted to the bar in 1842, and commenced practice in Lancaster, Pennsylvania.

[2] Smith was elected as a Republican to the Forty-third and to the five succeeding Congresses.

[1] An unsuccessful candidate for renomination in 1884, he resumed the practice of law, and died in Lancaster in 1894.