Kearny High School is a public high school in San Diego, California, United States. It serves students in grades 9-12 from the Linda Vista, Serra Mesa and Kearny Mesa communities. The school is part of San Diego Unified School District. Kearny's mascot is the Komet.

The Kearny High Educational Complex is home to four small autonomous high schools: the School of Biomedical Science and Technology (BST), School of College Connections (SCC), School of Digital Media & Design (DMD), and the Stanley E. Foster School of Engineering, Design, and Innovation (EID). Each school is focused on a college and career pathway and has developed its own educational philosophy.