奥利弗·埃尔斯沃思（Oliver Ellsworth，1745年4月29日－1807年11月26日），美国开国元勋之一，1745年生于美国康乃狄克州，于1796年3月8日任美国最高法院**，于1800年12月15日卸职。1807年逝世于康乃狄克州。

Oliver Ellsworth (April 29, 1745 – November 26, 1807) was an American lawyer and politician, a revolutionary against British rule, a drafter of the United States Constitution, United States Senator from Connecticut, and the third Chief Justice of the Supreme Court. While at the Federal Convention, Ellsworth moved to strike the word National from the motion made by Edmund Randolph of Virginia. Randolph had moved successfully to call the government the National Government of United States. Ellsworth moved that the government should continue to be called the United States Government.