West Boylston is a town in Worcester County, Massachusetts, United States and a northern suburb of Worcester. The population was 7,877 at the 2020 census. West Boylston includes the village of Oakdale, located on the opposite side of the Wachusett Reservoir from West Boylston center along Route 140. Although the town was split off from Boylston, it has a larger population than its eastern namesake.

Worcester is the 2nd most populous city in the U.S. state of Massachusetts and the 114th most populous city in the United States. Named after Worcester, England, the city's population was 206,518 at the 2020 census, also making it the second-most populous city in New England after Boston. Worcester is approximately 40 miles (64 km) west of Boston, 50 miles (80 km) east of Springfield and 40 miles (64 km) north-northwest of Providence. Due to its location near the geographic center of Massachusetts, Worcester is known as the "Heart of the Commonwealth"; a heart is the official symbol of the city. Worcester is the historical seat of Worcester County in central Massachusetts.