Oil City may refer to:
Canada
Oil City (Alberta)
Oil City, Ontario
United States
Casper, Wyoming, nicknamed "The Oil City"
Oil City, California, community in Kern County, California
Oil City, Kentucky, community in Barren County, Kentucky
Oil City, Louisiana, town in Caddo Parish, Louisiana
Oil City, Maryland, small community in Caroline County, Maryland
Oil City, Michigan, small community in Midland County, Michigan
Oil City, Missouri, community in Chariton County, Missouri
Oil City, Mississippi, community in Yazoo County, Mississippi
Oil City, Oklahoma, small community in Carter County, Oklahoma
Oil City, Stephens County, Oklahoma, community in Stephens County, Oklahoma
Oil City, Cambria County, Pennsylvania, small community in Cambria County, Pennsylvania
Oil City, Pennsylvania, city in Venango County, Pennsylvania
Oil City, Texas, community in Hutchinson County, Texas
Oil City, Washington, community in Jefferson County, Washington
Oil City, Wisconsin, small community in Monroe County, Wisconsin