Horace Lyman

Horace Lyman (November 16, 1815 – March 31, 1887) was an American reverend and professor of mathematics in the U.S. state of Oregon.

Lyman was born in Massachusetts, and moved to Oregon by way of New York and Cape Horn in October 1848. He married Mary Dennison the next month. and helped establish the Hillsboro School District in Hillsboro in 1851. He was a founder of Portland's First Congregational Church in June 1851.

Lyman served as Hillsboro's first commissioner, and later its school superintendent. He later taught mathematics at Pacific University in Forest Grove, where he died in 1887.

Lyman's son, Horace Sumner Lyman, was a prominent journalist, historian, and educator.