William O'Hara Martin

William O'Hara Martin (September 9, 1845 – September 14, 1901) was an American merchant and banker from Nevada who spent four years as a Republican member of the Nevada State Senate from Ormsby County (1877-1881) before moving to Reno.

He and wife Louise Stadtmuller Martin had seven children, of whom suffragist Anne Henrietta Martin was the second.