Room for Squares is the debut studio album by American recording artist John Mayer, released on June 5, 2001 by Aware and Columbia Records. Upon its release, it peaked at number 9 on the US Billboard 200 and received generally positive reviews from critics. It earned Mayer a Grammy Award for Best Male Pop Vocal Performance for the single "Your Body Is a Wonderland".

Room for Squares is Mayer's best-selling album to date, having sold over 4,484,000 copies in the United States as of July 2014.