4th Wall is the debut studio album by Australian singer-songwriter Ruel, released on 3 March 2023. The album was announced on 25 January 2023.

Inspired by Ruel's favorite films, primarily The Truman Show and Fight Club, the album "imagines Ruel finding out his entire life is a lie, being filmed for someone else's entertainment".

Upon announcement, Ruel said, "I spent the last 3 years writing it and wound up with over 100 songs. I rewrote half of them and re-recorded most of them, until they sounded exactly as I heard them in my head. It's been the biggest journey making this record and I know I kept you waiting for it, but on March 3rd, it'll be all yours. I'm so proud of it, thank you so, so much for sticking with me."

Ruel announced the first leg of his 4th Wall World Tour, which commenced in Australia and New Zealand in April 2023.

At the 2023 ARIA Music Awards, the album was nominated for Best Produced Release.

Name	Status	Rating	Review
A. Ucero		3/5 stars
Anton Stallbörger
Linus Rogge