"The Day the World Went Away" is a song by American industrial rock band Nine Inch Nails, released on July 20, 1999, as the lead single from their third studio album The Fragile (1999).

The song was the band's first top-forty hit on the US Billboard Hot 100, peaking at number 17, which remains their highest-ever position on the chart.

[4] It was the only single credited to Reznor to reach the top 20 on the Billboard Hot 100 until "Old Town Road" hit number one in 2019.

The 12" vinyl single replaced "Starfuckers, Inc." with another version of "The Day the World Went Away", this one remixed by the electronic music duo Porter Ricks.

The opening to "Complication", the track which follows "Starfuckers, Inc." on The Fragile, can be heard faintly alongside the crowd noise, augmented to sound like part of the concert.