"Lost" (stylised as "LosT") is a song by British rock band Bring Me the Horizon. Produced by Zakk Cervini and Evil Twin, it was released on 4 May 2023 as the third single from the group's upcoming 2024 commercial release Post Human: Nex Gen. In February 2023, drummer Matt Nicholls revealed during an interview with Impericon that the band had written and recorded new material for their highly anticipated second Post Human release in their built-in studio on the back of their tourbus during their North American Tour in September and October 2022, saying that he hoped that a new single would be released "pretty soon." At the end of March 2023, the band released an episodic YouTube series of their February 2023 European headline tour which also teased new music with various new soundclips being showcased throughout the series. On 19 April, after the series had concluded, the band released a social media teaser and announced a brand new single entitled "Lost", scheduled to be released on 4 May 2023. On the day of the singles' release, the song was premiered worldwide duirng Clara Amfo's "Hottest Record of the Day" segment on BBC Radio 1. The song was debuted live for the first time in June 2023 on their European Tour at the Papp László Budapest Sportaréna in Budapest, Hungary. "Lost" is featured in the soundtrack for the 2023 video game NHL 24.