The San Diego County Library is a public library system serving San Diego County, California. Any person living in the state is eligible for a free library card. It consists of 33 branches, two bookmobiles, and two 24/7 Library to Go kiosks. Library Journal and Gale (part of Cengage Learning) conferred the 2012 Library of the Year award on the San Diego County Library.

During the 2015-2016 fiscal