Nicholas John Sinnott (December 6, 1870 – July 20, 1929) was an American lawyer and a United States representative from Oregon from 1913 to 1928. President Calvin Coolidge made him a federal judge on the Court of Claims, serving from 1928 to 1929.

Nicholas John Sinnott
Born 1870 in The Dalles, OR
Died 1929 in Washington, DC
FJC ID: 3250
- Gender
- Male
- Race
- White
Prior employment
- U.S. representative from Oregon1913–1928
- OregonState senator · 1909–1913
- Private practice, The Dalles, Oregon1885–1912
Appointments
- Court of Claims1928–1929 · Appointed by Calvin Coolidge (Republican)Term ended: Death
Education
- Read law with Alfred S. Bennett1895
- University of Notre DameA.B. · 1892