Section.80 is the debut studio album by American rapper Kendrick Lamar. It was released on July 2, 2011, by Top Dawg Entertainment. The album features guest appearances from GLC, Colin Munroe, Ashtrobot, BJ the Chicago Kid, Schoolboy Q, Ab-Soul and vocals from late singer-songwriter Alori Joh.
The concept album features lyrical themes delivered by Lamar such as the 1980s crack epidemic, racism and medication tolerance.
Section.80 received generally positive reviews from critics and debuted at number 113 on the US Billboard 200. As of February 2014, Section.80 sold 130,000 copies domestically. In April 2017, it was certified gold by the Recording Industry Association of America (RIAA).