West Sacramento is a city in Yolo County, California, United States. The city is separated from Sacramento by the Sacramento River, which also separates Sacramento and Yolo counties. It is a fast-growing community; the population was 53,915 at the 2020 census, up from 48,744 at the 2010 census. The traditional industrial center of the region since the Gold Rush era, West Sacramento is home to a diverse economy and is one of the area's top four employment centers.

The Sacramento River Cats are a Minor League Baseball team of the Pacific Coast League (PCL) and are the Triple-A affiliate of the San Francisco Giants. Prior to 2015, the River Cats were the Triple-A affiliate of the Oakland Athletics for 15 seasons. They are based in West Sacramento, California, and play their home games at Sutter Health Park, which opened in 2000 and was known as Raley Field through 2019.