List of homicides in California

This is a list of notable homicides in California. This list includes notable homicides committed in the U.S. state of California that have a Wikipedia article on the killing, the killer, or the victim. It is divided into four subject areas as follows:
 * 1) Multiple homicides – homicides having multiple victims, including incidents involving spree killers, acts of terrorism, two mass homicides involving criminal acts causing airline crashes, and a mass suicide directed by a cult leader. The article includes sub-lists for homicides involving school shootings, familicides, and police shootouts.
 * 2) Serial killers – persons who murder three or more persons with the incidents taking place over more than a month and including a significant period of time between them
 * 3) Single homicides – notable homicides involving a single fatality, including homicides involving celebrities as victims or perpetrators
 * 4) Bias homicides – includes attacks directed against Native Americans (a more complete list of those incidents is set forth in the California genocide article), Asian immigrants, members of a religious group, and individuals based on sexual orientation

Multiple homicides
Listed in chronological order

School shootings
Listed in chronological order

Familicides
Listed in chronological order

Police shootouts and killings
Listed in chronological order

Serial killers
Listed in chronological order by date of earliest homicide

Single homicides
Listed in chronological order

Bias homicides
Listed in chronological order. NOTE: A more complete list of killings of indigenous peoples of California during the California Indian Wars is presented in the article on California genocide.