SeaWorld San Diego is an animal theme park, oceanarium, outside aquarium and marine mammal park, in San Diego, California, United States, inside Mission Bay Park. It is owned and operated by SeaWorld Parks & Entertainment.

SeaWorld San Diego is a member of the Association of Zoos and Aquariums (AZA). Adjacent to the property is the Hubbs-SeaWorld Research Institute, which conducts research on marine biology and provides education and outreach on marine issues to the general public, including information in park exhibits.