John Nicholas (January 19, 1761- December 31, 1819) was an American lawyer, farmer, and politician from Williamsburg, Virginia. He represented Virginia in the U.S. House from 1793 to 1801.
In 1803 Nicholas moved to Geneva, New York and started a farm. From 1806 until 1809 he served in the New York State Senate. He died at home, and is buried in the Glenwood Cemetery in Geneva.