Clackamas

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