ABC World News Tonight is the flagship daily evening television news program of ABC News, the news division of the American Broadcasting Company television network in the United States.

It is currently the most watched network newscast in the United States, with an average of 2 million more than its nearest rival, NBC Nightly News.

Since 2014, the program's weekday broadcasts have been anchored by David Muir.

Cecilia Vega and Tom Llamas rotated as anchors of the Saturday editions and Sunday editions until Llamas was named sole weekend anchor in January 2017.

The program has been anchored at various times by a number of other presenters since its debut in 1953.

It also has used various titles, including ABC Evening News from 1970 to 1978, World News Tonight from 1978 to 2006, World News from 2006 to 2009, and ABC World News from 2009 to 2014.

Since 2014 the program has been called ABC World News Tonight.