Henry Martin Loud (December 11, 1824—May 13, 1905) was a Michigan lumber magnate, politician, lay Methodist preacher, and philanthropist.
Loud was born in Westhampton, Massachusetts and graduated from the Boston University School of Theology (then the Concord Biblical Institute) in 1857.
[2][3] A Republican, Loud also served as Mayor of Au Sable, Michigan for one term and accepted a nomination for the United States Congress.
[4] Loud was a contributor to the Bayview Association of the United Methodist Church "a pioneering institution in public education"[5] which bears a building—Loud Hall—in his name.
[7][8] H. M. Loud & Sons was established in 1885[9] with stock of the Au Sable & North Western Railroad incorporated in 1891.