Union County kan syfta:
Union County (film) – amerikansk dramafilm från 2026
Countyn i USA
Union County, Arkansas Union County, Florida Union County, Georgia Union County, Illinois Union County, Indiana Union County, Iowa Union County, Kentucky Union County, Mississippi Union County, New Jersey Union County, New Mexico Union County, North Carolina Union County, Ohio Union County, Oregon Union County, Pennsylvania Union County, South Carolina Union County, South Dakota Union County, Tennessee
Se även Union Parish i Louisiana