Holley, Oregon
Holley is a census-designated place and unincorporated community in Linn County, Oregon, United States. As of the 2020 [United States census|2020 census], Holley had a population of 390. It is about southwest of Sweet Home on Oregon Route 228 near the Calapooia River.
The Holley area was once the source of the semi-precious gemstone Holley blue agate.