The discography of Every Little Thing, a J-pop duo (former trio) formed in 1996 by Mitsuru Igarashi (synthesizer, music producer), Kaori Mochida (vocals, songwriting) and Ichiro Ito (guitar, songwriting), consists of twelve studio albums, seven compilation albums, five remix albums, and numerous singles and videos, many of which were commercially successful.

The band debuted with their single "Feel My Heart" on August 7, 1996, which peaked at number twenty-four on the Japanese Oricon charts.

Their most successful year was 1998, in which they released their 8th single "Time Goes By" which topped the charts and sold more than a million copies.

Number one singles of the band include "Forever Yours" (1998), "Fragile" (2001), Untitled 4 Ballads (2002) and "Koibumi" (2004).

Since their debut, Mitsuru Igarashi wrote, composed, arranged and produced almost all of their music, but in 2000 he decided to leave the group.