| Simon J. Schermerhorn | |
| Image Name: | Simon J. Schermerhorn.jpg |
| State: | New York |
| District: | 21st |
| Term: | March 4, 1893 - March 3, 1895 |
| Preceded: | John M. Wever |
| Succeeded: | David F. Wilber |
| Birth Date: | September 25, 1827 |
| Birth Place: | Rotterdam, New York, US |
| Death Place: | Rotterdam, New York, US |
| Party: | Democrat |
Simon Jacob Schermerhorn (September 25, 1827 - July 21, 1901) was an American politician who served one term as a United States representative from New York from 1893 to 1895.
Born in Rotterdam, Schenectady County, New York, he attended the common schools and engaged in agricultural pursuits.
He was supervisor of the town of Rotterdam in 1856, and served two terms as school commissioner; in 1862 and 1865 he was a member of the New York State Assembly. He was a director and trustee in local banks.
He was elected as a Democrat to the Fifty-third Congress, holding office from March 4, 1893 to March 3, 1895. He was not a candidate for renomination in 1894.
After leaving Congress, he retired to his farm in Rotterdam. He died there in 1901; interment was in Viewland Cemetery.