Roy is a city in Weber County, Utah, United States, along Interstate 15. The population was 36,884 at the 2010 census. It is part of the Ogden−Clearfield, Utah Metropolitan Statistical Area.
Roy was settled in 1873 by William Evans Baker, twenty-five years after Ogden. Most of the surrounding communities had been settled prior to that time. On May 24, 1894, a post office was established. Previously known as Central City, Sandridge, the Basin, and Lakeview - Roy was ultimately named for a local school teacher's child, Roy C. Peebles, who had died. The City of Roy was incorporated on March 10, 1937. Joseph William Jensen was the first mayor of Roy for 6 years, as elected by the commissioners.
Businesses in Roy were limited until the early 1940s. A gas station, a couple of grocery stores, a cafe, and a lumber yard made up the modest business district.