Who We Are is the fourth studio album by American alternative rock band Lifehouse. It was first released via compact disc in the United States on June 18, 2007 by Geffen Records. It was released via digital download the next day on June 19, 2007. The band entered the studio without any demos recorded and only had lyrics from Lifehouse lead singer Jason Wade.

The album received positive reviews from critics, and peaked at number fourteen on the Billboard 200, selling 49,000 copies in its first week. It also managed to chart in the top twenty of Billboard's Alternative Albums, Digital Albums, and Rock Albums charts the first week it was released. It was certified Gold in the United States by the RIAA on October 22, 2008.

The album's lead single, "First Time", was released May 7, 2007, and charted in several countries. The second single, "Whatever It Takes", was released on November 13, 2007, and charted on several Billboard charts. The third single, "Broken" was released January 8, 2008, and had commercial success in the United States and Canada, and eventually other countries.