Sidney Perham (March 27, 1819 – April 10, 1907) was a U.S. Representative and the 33rd Governor of Maine and was an activist in the temperance movement.

Born in Woodstock (in modern-day Maine, then a part of Massachusetts) to Joel and Sophronia Bisbee Perham, Perham attended common schools as a child, engaged in agricultural pursuits and briefly attended Bates College, but left to pursue a passion for agriculture.

He was elected a Republican to the United States House of Representatives in 1862, serving from 1863 to 1869, not being a candidate for renomination in 1868.

He replaced former American Civil War General Joshua Chamberlain as governor.

He died in Washington, D.C., on April 10, 1907[2] and was interred in Lakeside Cemetery in Bryant Pond, Maine.