The United States Court of Appeals for the Ninth Circuit is the U.S. federal court of appeals that has appellate jurisdiction over the U.S. district courts in the following federal judicial districts:District of Alaska District of Arizona Central District of California Eastern District of California Northern District of California Southern District of California District of Hawaii District of Idaho District of Montana District of Nevada District of Oregon Eastern District of Washington Western District of Washington

The District Court of Guam is a United States territorial court with jurisdiction over the United States territory of Guam. It sits in the capital, Hagåtña. Appeals of the court's decisions are taken to the United States Court of Appeals for the Ninth Circuit. It is not an Article III court, and therefore its judges do not have life tenure, but are appointed to ten-year terms.