Fairview is a town in Collin County, Texas, United States. It is part of the Dallas-Fort Worth metropolitan area. As of the 2017 census, the town population was 8,950. The estimated population in 2018 was 9,092. The town is adjacent to the 289-acre (1.17 km2) Heard Natural Science Museum and Wildlife Sanctuary.

Collin County is located in the U.S. state of Texas. It is part of the Dallas-Fort Worth-Arlington metropolitan statistical area, and a small portion of the city of Dallas is in the county. At the 2020 United States census, the county's population is 1,064,465, making it the sixth-most populous county in Texas and the 43rd-largest county by population in the United States. Its county seat is McKinney.