Spanish Fork is a city in Utah County, Utah, United States. It is part of the Provo–Orem Metropolitan Statistical Area. The population was 36,956 as of the 2013 census.

The Spanish Fork River or Spanish Fork is a river in the U.S. state of Utah. Formed by the confluence of Soldier Creek and Thistle Creek in the Wasatch Range, the river flows about northwest into Utah Lake, passing the towns of Spanish Fork and Palmyra.