Yamhill or Yam Hill is the name of a band of the Kalapuya Native American tribe, living in Oregon, United States, and several places and geographic features named after them:
- Yamhill County, Oregon is a county in Oregon
- Yamhill, Oregon is a city in the western Willamette Valley, located between McMinnville and Forest Grove
- The Yamhill River is a river in northwest Oregon, that flows into the Willamette River
- Yamhill Valley is a valley that contains the Yamhill River
- Yamhill District and Morrison/Southwest 3rd Avenue, a MAX Light Rail station in Portland
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