Rod Jay Rosenstein is an American attorney who served as the 37th United States deputy attorney general from April 2017 until May 2019. Prior to his appointment, he served as a United States attorney for the District of Maryland. At the time of his confirmation as deputy attorney general in April 2017, he was the longest-serving U.S. attorney. Rosenstein had also been nominated to the United States Court of Appeals for the Fourth Circuit in 2007, but his nomination was never considered by the U.S. Senate.

The United States deputy attorney general is the second-highest-ranking official in the United States Department of Justice and oversees the day-to-day operation of the Department. The deputy attorney general acts as attorney general during the absence of the attorney general. Lisa Monaco has served in this role since April 21, 2021.