Hillcrest is a small and affluent neighborhood in San Diego, California northwest of Balboa Park and south of Mission Valley.

Hillcrest is known for its "tolerance and acceptance," its gender diversity, and numerous locally owned businesses, including restaurants, cafés, bars, clubs, trendy thrift-stores, and other independent specialty stores. Hillcrest has a high population density compared to many other neighborhoods in San Diego, and it has a large and active lesbian, gay, bisexual and transgender (LGBT) community.

Hillcrest "CityFest" is an annual street festival which features food, live entertainment, a beer garden and street vendors.

Other regular events in Hillcrest include a weekly farmers market on the grounds of the local Department of Motor Vehicles, a Book Fair and Mardi Gras.