David O'Connor-Henchy (23 May 1810 – 1 December 1876) was an Irish Whig politician. From 1852 to 1859, he was one of the two Members of Parliament (MPs) for Kildare, representing the county in the United Kingdom House of Commons. He was born David O'Connor, the son of Valentine O'Connor and Mary Henchy, and adopted the additional surname of Henchy. He lived at Stonebrook, County Kildare. He married Elizabeth, the daughter of Sir John Burke, 2nd Baronet of Marble Hill, Co. Galway and was succeeded by his son Henry.