Samuel S. Yoder (August 16, 1841 – May 11, 1921) was an American Civil War veteran and politician who served two terms as a U.S. representative from Ohio from 1887 to 1891.
Yoder moved to Lima, Ohio, in 1878, and began to study law. He was admitted to the bar in 1880 and commenced practice in Lima. He served as member of the Democratic State executive committee from 1883 to 1885, and as judge of the probate court of Allen County from February 1882 to October 1886, when he resigned, having been elected to Congress.
Yoder was elected as a Democrat to the Fiftieth and Fifty-first Congresses (March 4, 1887 – March 3, 1891). He was not a candidate for renomination in 1890.