Diablo Valley College (DVC) is a two-year community college located in Pleasant Hill in Contra Costa County, California.

The college is one of three publicly supported two-year community colleges in the Contra Costa Community College District (along with Contra Costa College and Los Medanos College), and was first opened in 1949. Current enrollment is 26,000 students and it has 300 full-time and 370 part-time instructors.

Diablo Valley College has a well-regarded academic reputation, and is a popular choice for students to complete lower-division college requirements for oft-times overcrowded universities: DVC is ranked number one in transfers to four-year institutions in the state, ahead of all other California community colleges. DVC also offers a variety of occupational specialties, including hotel/restaurant management, culinary arts, dental technology, and real estate.

DVC has satellite centers in San Ramon and Walnut Creek and also offers classes in other facilities in Concord, Martinez, Danville, and San Ramon.

The college officially began in 1949, and was then called East Contra Costa Junior College. The college moved to its permanent campus in 1952, and changed its name to Diablo Valley College in 1958.