Sidney Lawrence (December 31, 1801 – May 9, 1892) was an American lawyer who served one term as a U.S. Representative from New York from 1847 to 1849.
Born in Weybridge, Vermont, Lawrence moved with his parents to Moira, New York, in early childhood.
He was admitted to the bar and commenced practice in Moira, New York.
Lawrence was elected as a Democrat to the 30th United States Congress, holding office from March 4, 1847, to March 3, 1849.
He also engaged in the real estate business and in banking.