David Richard Floyd-Jones (April 6, 1813 – January 8, 1871) was an American lawyer and politician.
A descendant of an old Long Island family, he was born at the family mansion on the Fort Neck estate in South Oyster Bay, New York (then Queens, now Nassau County) as the son of Brigadier General Thomas Floyd-Jones (1788–1851) and Cornelia Haring (Jones) Floyd-Jones (d. 1839). He was educated at Christ Church Academy in Manhasset, and graduated from Union College in 1832. He studied law in Schenectady, and commenced practice in New York City in 1835.
He was a Democratic member of the New York State Assembly (New York Co.) in 1841, 1842 and 1843.
He was a member of the New York State Senate (1st D.) from 1844 to 1847, sitting in the 67th, 68th, 69th and 70th New York State Legislatures. He was a delegate to the New York State Constitutional Convention of 1846.
He was again a member of the State Assembly (Queens Co.) in 1857.
He was Secretary of State of New York from 1860 to 1861, elected in November 1859; and Lieutenant Governor of New York from 1863 to 1864, elected in November 1862.
He died at the family mansion in 1871, and was buried at the Floyd-Jones Cemetery, on his Fort Neck estate. His wife Mary Louisa (Stanton) Floyd-Jones died on July 22, 1906. They had seven children.
State Senator Henry Floyd-Jones (1792–1862) was his uncle; Col. DeLancey Floyd-Jones (1826–1902) was his first cousin.