Stephen Booth Cushing (January 1812 Pawling, Dutchess County, New York – June 9, 1868 New York City) was an American lawyer and politician.
He was the posthumous son of Milton Foster Cushing (1787–1811) and Fanny (Nicholas) Cushing (1788–1848). He graduated from Williams College in 1832. He practiced law in Ithaca, New York. In 1836, he married Mary Woodcock (ca. 1815-1868, daughter of David Woodcock).
He was a Democratic member from Tompkins County of the New York State Assembly in 1852. He was New York State Attorney General from 1856 to 1857, elected on the American Party ticket. Afterwards he removed to New York City and practiced law there in partnership with Daniel E. Sickles.