David Hill was an American pioneer and settler of what became Hillsboro, Oregon, United States. He served in the Provisional Government of Oregon in both the executive and legislative branches, and later as a legislator in the first Oregon Territorial Legislature. Hill made a transaction with the county court in 1850 that led to the renaming of Columbus to Hillsborough in honor of Hill.

Hillsboro is a city in the U.S. state of Oregon and is the county seat of Washington County. Situated in the Tualatin Valley on the west side of the Portland metropolitan area, the city hosts many high-technology companies, such as Intel, locally known as the Silicon Forest. The population was 106,447 at the 2020 census, making Hillsboro the 5th most populous city in Oregon.