|San Antonio Police Department|
|Operations jurisdiction||San Antonio, Texas, USA|
|Map of San Antonio Police Department's jurisdiction.|
|Size||465.4 square miles (1,210 km2)|
|Headquarters||South Santa Rosa|
|Elected officer responsible|
The San Antonio Police Department (SAPD) is the primary law enforcement agency serving the City of San Antonio, Texas, United States and some surrounding areas. Its headquarters are at South Santa Rosa district. SAPD is one of the largest municipal police department in Texas.
The current chief of police is William McManus.
Early law enforcement in San Antonio begins with the alguacils of the Villa de San Fernando de Bexar and progresses to the Texas Rangers, vigilantes, and City Marshals of early San Antonio.
These are the current ranks of the San Antonio Police Department: