Robert Carter Nicholas (December 6, 1801 — May 10, 1854) was an American politician from New York.
The family removed from Williamsburg, Virginia to Geneva, New York in 1803.
He was an Anti-Masonic member of the New York State Assembly (Ontario Co.) in 1828, 1829, 1830 and 1832.
He was a delegate to the New York State Constitutional Convention of 1846.
He and his wife were buried at the Pulteney Street Cemetery in Geneva.