Jacob Brinkerhoff ( born August 31, 1810 in Niles, Cayuga County, New York, † July 19, 1880 in Mansfield, Ohio) was an American lawyer and politician. Between 1843 and 1847 he represented the state of Ohio in the U.S. House of Representatives.
Jacob Brinkerhoff was a cousin of Congressman Henry R. Brinkerhoff ( 1787-1844 ). He attended the common schools and the Plattsburg Academy in Steuben County. After a subsequent law degree in 1837 and its recent approval as a lawyer, he started in Mansfield to work in this profession. Later he transferred his residence and his law firm to Plymouth in Ohio. Between 1839 and 1843 he served as a prosecutor in Richland County. Politically, he was a member of the Democratic Party.
In the congressional elections of 1842 Brinkerhoff was the eleventh electoral district of Ohio in the U.S. House of Representatives in Washington DC chosen, where he became the successor of Benjamin S. Cowen on March 4, 1843. After a re-election he was able to complete in Congress until March 3, 1847 two legislative sessions. These were shaped by the events of the Mexican-American war since 1845. From 1843 to 1845 was Chairman of the Committee on Brinkerhoff Invalid Pensions. He was also the author of the Wilmot Proviso, but was officially introduced by U.S. Senator David Wilmot and bears its name. During this time he joined the Free Soil Party.
After the end of his time in the U.S. House of Representatives Jacob Brinkerhoff practiced law in Mansfield. Politically, he joined now on the Republican Party, founded in 1854. From 1856 to 1871 he was judge of the Supreme Court of Ohio. He died on July 19, 1880 in Mansfield, where he was also buried.