Senator Orr may refer to:
Alexander D. Orr (1761–1835), Virginia State Senate Arthur Orr (born 1964), Alabama State Senate Charles N. Orr (1877–1949), Minnesota State Senate James Lawrence Orr (1822–1873), Confederate States Senator from South Carolina from 1862 to 1865 Robert D. Orr (1917–2004), Indiana State Senate Robert Orr Jr. (1786–1876), Pennsylvania State Senate