The word Clackamas may refer to: Clackamas people, a Native American people in what is now Oregon The now extinct language spoken by the tribe, one of the Chinookan languages Named after tribe The Clackamas River, a tributary of the Willamette River in northwestern Oregon Clackamas County, Oregon Clackamas, Oregon, a community in Clackamas County Clackamas High School in Clackamas, Oregon Clackamas Community College in Oregon City, Clackamas County The North Clackamas School District in Clackamas County Clackamas iris or Iris tenuis "Clackamas", a codename for Intel's 64-bit processor technology Language and nationality disambiguation pages