Mi Delirio (My Delirium) is the fifth studio album by Mexican singer Anahí, released on November 24, 2009, through EMI and Capitol Records.

Writing and production from the album includes contributions from Claudia Brant, Rudy Maya, Emilio Ávila (with whom she had worked in RBD), Gloria Trevi, Ángel Reyero of La 5ª Estación, Guillermo Rosas, as well as Anahí herself, who is accredited as co-writer and producer on some songs.

[5] The album was recorded between May and September 2009[citation needed] in Los Angeles and Mexico City, and directed by Gil Cerezo, Ulises Lozano, Sebastian Jacome and Armando Avila.

The Polish site Sunhk Music Day held in the disc as the higher production and co-production of the presented songs among them stand out "Mi Delirio", "Para Qué" and "Hasta Que Llegues Tu" as was displayed in the list of 100 best albums of the year in Poland, where Anahí ranks second in the rankings, leaving behind artists like Lady Gaga and Rihanna.

[6][7] "Ni Una Palabra" was composed by Rudy Maya and Claudia Brant, and was the first single; however, for reasons unknown to date, the song was replaced by "Mi Delirio", and only entered the deluxe version of the album.

The song "Te Puedo Escuchar" was written by Anahi in honor of her friend Juan Pablo, who died in a car accident in 2007.

Noel Schajris composed with Anahí and Ana Mónica Vélez Solano the song "Alérgico" one of the greatest hits album.