"Die4U" (stylised as "DiE4u") is a song by British rock band Bring Me the Horizon. Produced by BloodPop and Evil Twin, it was released as the lead single from the group's upcoming second Post Human release, following 2020's Post Human: Survival Horror, on 16 September 2021. The song peaked at number 5 on the Billboard Mainstream Rock Songs chart in February 2022. "Die4U" was remixed by Six Impala, retitled as "Die6U" (stylised as "DiE6u"). The hyperpop remix was released on 17 December 2021.