The Ladd-Gilman House, also known as Cincinnati Memorial Hall, is a historic house at 1 Governors Lane in Exeter, New Hampshire, United States. It is listed on the National Register of Historic Places and is designated a National Historic Landmark.

John Taylor Gilman was a farmer, shipbuilder and statesman from Exeter, New Hampshire. He represented New Hampshire in the Continental Congress in 1782–1783 and was the fifth governor of New Hampshire for 14 years, from 1794 to 1805, and from 1813 to 1816.