5to Piso (Quinto Piso, 5th Floor) is the eleventh studio album by Guatemalan singer-songwriter Ricardo Arjona, released on 18 November 2008. Produced by Arjona, Jorge Amaro, Dan Warner, Lee Levin, Fernando de Santiago and Puerto Rican singer-songwriter Tommy Torres, the album was recorded in various studios between the United States and Mexico. It is the first release by the artist under Warner Music. Arjona commented that with this album, he "tried to recoup some of the freshness" of his past releases, stating that "it makes good to the songs". Jason Birchmeier from Allmusic named it "an eagerly awaited album with a phenomenal lead single." 5to Piso marks the third album in which the singer collaborates with Tommy Torres, after Adentro and Quién Dijo Ayer.
Commercially and critically successful, 5to Piso became Arjona's second number-one set on the Billboard Top Latin Albums. It received gold and platinum certifications from several Latin American countries, as well as a Grammy Award nomination for Best Latin Pop Album.