The John F. Kilkenny United States Post Office and Courthouse, formerly the United States Post Office and Courthouse is a post office and a courthouse of the United States District Court for the District of Oregon, located in Pendleton, Oregon. Completed in 1916 under the supervision of architect Oscar Wenderoth, the United States Congress renamed the building for John Kilkenny, a former judge of the District of Oregon and of the United States Court of Appeals for the Ninth Circuit in 1984. The building was listed on the National Register of Historic Places in 1985.