Cynthia McFadden is an American television journalist who is currently the senior legal and investigative correspondent for NBC News. She was an anchor and correspondent for ABC News who co-anchored Nightline, and occasionally appeared on ABC News special Primetime. She was with ABC News from 1994 to 2014 and joined NBC News in March 2014.

Nightline is ABC News' late-night television news program broadcast on ABC in the United States with a franchised formula to other networks and stations elsewhere in the world. Created by Roone Arledge, the program featured Ted Koppel as its main anchor from March 1980 until his retirement in November 2005. Its ongoing rotating anchors are Byron Pitts and Juju Chang. Nightline airs weeknights from 12:37 to 1:07 a.m., Eastern Time, after Jimmy Kimmel Live!, which had served as the program's lead-out from 2003 to 2012.