Maryanne Trump Barry (April 5, 1937 – November 13, 2023) was an American attorney and United States federal judge. She became an assistant United States attorney in 1974 and was first appointed to the United States District Court for the District of New Jersey by President Ronald Reagan in 1983. In 1999, she was appointed to the United States Court of Appeals for the Third Circuit by President Bill Clinton. Barry was the eldest sister of 45th and 47th President of the United States Donald Trump.