The Poison is the debut studio album by Welsh heavy metal band Bullet for My Valentine.

Different editions of the album contain the song "Hand of Blood", previously heard from these EPs, replacing "Spit You Out".

[6] It is the band's most commercially successful effort internationally, earning a both gold certification by both the RIAA in the United States and the band's native BPI in the United Kingdom, and a platinum certification by Bundesverband Musikindustrie (BVMI) in Germany.

[7] At the time of the album's release, Corey Apar of Allmusic compared the sound on The Poison to the likes of Atreyu, Funeral for a Friend and Alexisonfire, stating that the band utilize "the glossy, melodic metal-meets-emo aesthetic, utilizing darkly romanticized lyrics that are smoothly sung and growled side-by-side".

[10] Sputnikmusic gave the album a 3.5 out of 5, saying the group offers "differing levels of hope for the metalcore genre.