Cyrus Olney (October 11, 1815 – December 12, 1870)[1] was an American politician and lawyer in what would become the state of Oregon.

[2] After passing the bar he practiced law for a time in Ohio before moving to Iowa,[2] where he was a judge for four years.

[2] He continued in this endeavor until 1853,[2] when United States President Franklin Pierce appointed him to the Oregon Supreme Court.

[3][4] During this time, he also served as a delegate to the Oregon Constitutional Convention in 1857 representing Clatsop County.

[4] In 1866 he was elected to the Oregon House of Representatives from Clatsop, Columbia, and Tillamook counties.