Frederick William Lord (December 11, 1800 – May 24, 1860) was an American educator, physician, and politician who served one term as a United States representative from New York from 1847 to 1849.
Born in Lyme, New London County, Connecticut, he attended Lyme Academy and was graduated from Yale College in 1821.
He was a professor of mathematics in Washington College (in Chestertown, Maryland) for two years and was in charge of an academy at Baltimore for three years.
Lord was a delegate to the Whig National Convention at Harrisburg, Pennsylvania, in 1840, and moved to Greenport in 1846 and engaged in agricultural pursuits and the cultivation of fruit and ornamental trees.
He was elected a delegate to the Republican National Convention at Chicago in 1860, but on his way to attend the convention was taken ill on the steamer Massachusetts, and died in New York City.