| Western High School | |
| City: | Anaheim |
| State: | California |
| Zipcode: | 92804 |
| Country: | United States |
| Coordinates: | 33.8256°N -118.0025°W |
| Colors: | Blue and White |
| Conference: | Orange League |
| District: | Anaheim Union High School District |
| Mascot: | Pioneer |
| Rival: | Anaheim High School |
| Grades: | 9–12 |
| Established: | 1955 |
| Type: | Public high school |
| Enrollment: | 1,942 (2018-19)[1] |
| Faculty: | 74.91 (FTE) |
| Ratio: | 25.92 |
| Motto: | Home of the Pioneers |
| Principal: | Lorena Moreno |
| Website: | School website |
| Streetaddress: | 501 South Western Avenue |
Western High School is an accredited public high school located in Anaheim, California, serving students in grades 9–12. The school is one of ten high schools in the Anaheim Union High School District. It is located in the western end of Anaheim and also serves southwest Buena Park and northwest Stanton. It was established in 1954. The school's mascot is the Pioneer.
Western High is a two time California Distinguished High School.
Athletic teams compete in the CIF Southern Section of the California Interscholastic Federation and are known as the "Pioneers". Notable athletes from the school include Tiger Woods and Andy Messersmith.
In 2007, the Pioneers won the 2007 CIF wrestling championship. The annual football game between Western and its rival Anaheim High School is referred to as the traditional "Bell Game", with the winning school receiving the Victory Bell. Western High School offers the following sports: