John Joseph Tuchi (born May 18, 1964) is a United States District Judge of the United States District Court for the District of Arizona and former Assistant United States Attorney for the District of Arizona. On September 19, 2013, President Barack Obama nominated Tuchi to serve as a United States District Judge of the United States District Court for the District of Arizona, to the seat vacated by Judge Roslyn O. Silver, who took senior status on September 3, 2013. He received his judicial commission on May 16, 2014.