Stephanie Murphy (born Đặng Thị Ngọc Dung; September 16, 1978) is an American politician who served as the U.S. representative for Florida's 7th congressional district from 2017 to 2023. A member of the Democratic Party, she defeated incumbent Republican John Mica in 2016. Her district included much of downtown and northern Orlando, as well as all of Winter Park, Maitland, Sanford, and Altamonte Springs.

Murphy was born in 1978 in Ho Chi Minh City, Vietnam, before leaving the country with her family in 1979. After growing up in Northern Virginia, Murphy attended the College of William & Mary and Georgetown University. Before becoming a member of Congress, she worked as a national security specialist at the United States Department of Defense, an executive at Sungate Capital, and a business professor at Rollins College.

Murphy became the first Vietnamese-American woman, first Vietnamese-American Democrat, and the second Vietnamese-American overall (after South Vietnam-born Republican Joseph Cao of Louisiana) to be elected to Congress.

On December 20, 2021, Murphy announced that she would not run for reelection to a fourth term in 2022.