"O Blood" is a song by the American rock band The 1975. It is featured on their album titled Being Funny in a Foreign Language, released in 2022. The song showcases the band's signature blend of pop and rock elements, characterized by catchy melodies and introspective lyrics. The lyrics of "O Blood" explore themes of love, loss, and the complexities of human relationships. The song's emotional depth is complemented by its vibrant instrumentation, making it a standout track on the album. Fans appreciate the band's ability to convey relatable experiences through their music.