The United States Court of Appeals for the Tenth Circuit is a federal court with appellate jurisdiction over the district courts in the following districts:District of Colorado District of Kansas District of New Mexico Eastern District of Oklahoma Northern District of Oklahoma Western District of Oklahoma District of Utah District of Wyoming

The Byron White United States Courthouse is a courthouse in Denver, Colorado, currently the seat of the United States Court of Appeals for the Tenth Circuit. It formerly housed courthouses of the United States District Court for the District of Colorado. Completed between 1910 and 1916, the building was listed in the National Register of Historic Places in 1973, as U.S. Post Office and Federal Building. In 1994, it was renamed in honor of U.S. Supreme Court Justice Byron White (1917–2002) a native of Fort Collins, Colorado.