Linn Boyd (November 22, 1800 – December 17, 1859) (also spelled "Lynn") was a prominent US politician of the 1840s and 1850s, and served as Speaker of the United States House of Representatives from 1851 to 1855.
Boyd was elected to the House as a Democrat from Kentucky from 1835 to 1837 and again from 1839 to 1855, serving seven terms in the House.