Untitled 4 Ballads (stylized as UNTITLED 4 ballads) is an extended play recorded by the Japanese J-pop group Every Little Thing, released on December 18, 2002, as their twenty-third single. It was their fifth single to top the Oricon chart.

"Nostalgia" was used as the theme song for the drama Okaasan to Issho.

1. "Unspeakable" (Words - Kaori Mochida / music - Kazuhito Kikuchi)
2. "Ai no Uta (愛の謳)" (Song of Love)" (Words - Kaori Mochida / music - Kunio Tago)
3. "Ruumu (ルーム, rūmu)" (Room)" (Words - Kaori Mochida / music - Kazuhito Kikuchi)
4. "Nostalgia" (Words - Kaori Mochida / music - Kazuhito Kikuchi)
5. "Unspeakable" (instrumental)
6. "Ai no Uta (愛の謳)" (instrumental)
7. "Ruumu (ルーム)" (instrumental)
8. "Nostalgia" (instrumental)

• "Untitled 4 Ballads" information at Avex Network.
• "Untitled 4 Ballads" information at Oricon.