San Antonio College (SAC) is a public community college in San Antonio, Texas. It is part of the Alamo Colleges District and the oldest public two-year college in Texas. The college has an average semester enrollment of 22,028 credit students and an average annual enrollment of 16,000 other-than-credit students. San Antonio College is the largest single-campus community college in Texas and one of the largest in the United States.

The college's 37-acre campus includes the Scobee Education Center (planetarium and Challenger Learning Center), a student center with food court, a fine arts center, a business building, a visual arts and technology center, the Chance Academic building, a nursing center, the Nail Computer Technology building, the Candler Physical Education Center that includes two courts, a regulation indoor swimming pool, racquetball courts, a dance studio, and tennis courts; McCreless Hall, Gonzales Hall, the Koehler Cultural Center, the president's home, a chemistry-geology building, the Longwith Radio, Television, and Film building, a library, and the Campus Police.

San Antonio College provides academic, vocational, and professional education that allow students to continue their education at a university or four-year college. It also provides offerings in occupational and technical courses and has assumed the San Antonio Independent School District's continuing-education programs.