Kern Valley State Prison (KVSP) is a male-only state prison in Delano, California. Kern Valley is a Level IV Maximum Security institution, opened in June 2005 with a design capacity of 2,448 inmates. The facility is adjacent to North Kern State Prison and has an annual operating budget of .
As of March 11, 2026, Kern Valley was incarcerating people at 134.5% of its design capacity, with 3,293 occupants.